Here are 100 Bible verses about hardened hearts from the Old and New Testaments of the Holy Bible (King James Version), sorted from most to least relevant.
Ephesians 4:18 KJV
Having the understanding darkened, being alienated from the life of God through the ignorance that is in them, because of the blindness of their heart:
Matthew 13:14-15 KJV
And in them is fulfilled the prophecy of Esaias, which saith, By hearing ye shall hear, and shall not understand; and seeing ye shall see, and shall not perceive: For this people’s heart is waxed gross, and their ears are dull of hearing, and their eyes they have closed; lest at any time they should see with their eyes, and hear with their ears, and should understand with their heart, and should be converted, and I should heal them.
Hebrews 3:8 KJV
Harden not your hearts, as in the provocation, in the day of temptation in the wilderness:
Proverbs 28:13-14 KJV
He that covereth his sins shall not prosper: but whoso confesseth and forsaketh them shall have mercy. Happy is the man that feareth alway: but he that hardeneth his heart shall fall into mischief.
Exodus 9:12 KJV
And the LORD hardened the heart of Pharaoh, and he hearkened not unto them; as the LORD had spoken unto Moses.
Mark 8:17 KJV
And when Jesus knew it, he saith unto them, Why reason ye, because ye have no bread? perceive ye not yet, neither understand? have ye your heart yet hardened?
Exodus 7:3 KJV
And I will harden Pharaoh’s heart, and multiply my signs and my wonders in the land of Egypt.
Jeremiah 17:9 KJV
The heart is deceitful above all things, and desperately wicked: who can know it?
Ezekiel 36:26 KJV
A new heart also will I give you, and a new spirit will I put within you: and I will take away the stony heart out of your flesh, and I will give you an heart of flesh.
Hebrews 4:12 KJV
For the word of God is quick, and powerful, and sharper than any twoedged sword, piercing even to the dividing asunder of soul and spirit, and of the joints and marrow, and is a discerner of the thoughts and intents of the heart.
2 Timothy 3:1-4 KJV
This know also, that in the last days perilous times shall come. For men shall be lovers of their own selves, covetous, boasters, proud, blasphemers, disobedient to parents, unthankful, unholy, Without natural affection, trucebreakers, false accusers, incontinent, fierce, despisers of those that are good, Traitors, heady, highminded, lovers of pleasures more than lovers of God;
John 12:48 KJV
He that rejecteth me, and receiveth not my words, hath one that judgeth him: the word that I have spoken, the same shall judge him in the last day.
Psalms 119:9 KJV
Wherewithal shall a young man cleanse his way? by taking heed thereto according to thy word.
1 John 3:9 KJV
Whosoever is born of God doth not commit sin; for his seed remaineth in him: and he cannot sin, because he is born of God.
Romans 9:18 KJV
Therefore hath he mercy on whom he will have mercy, and whom he will he hardeneth.
Exodus 4:21 KJV
And the LORD said unto Moses, When thou goest to return into Egypt, see that thou do all those wonders before Pharaoh, which I have put in thine hand: but I will harden his heart, that he shall not let the people go.
Matthew 13:15 KJV
For this people’s heart is waxed gross, and their ears are dull of hearing, and their eyes they have closed; lest at any time they should see with their eyes, and hear with their ears, and should understand with their heart, and should be converted, and I should heal them.
Psalms 51:10 KJV
Create in me a clean heart, O God; and renew a right spirit within me.
Hebrews 3:12 KJV
Take heed, brethren, lest there be in any of you an evil heart of unbelief, in departing from the living God.
John 14:26 KJV
But the Comforter, which is the Holy Ghost, whom the Father will send in my name, he shall teach you all things, and bring all things to your remembrance, whatsoever I have said unto you.
John 12:40 KJV
He hath blinded their eyes, and hardened their heart; that they should not see with their eyes, nor understand with their heart, and be converted, and I should heal them.
Genesis 6:5 KJV
And GOD saw that the wickedness of man was great in the earth, and that every imagination of the thoughts of his heart was only evil continually.
1 Peter 5:8 KJV
Be sober, be vigilant; because your adversary the devil, as a roaring lion, walketh about, seeking whom he may devour:
Isaiah 6:9-10 KJV
And he said, Go, and tell this people, Hear ye indeed, but understand not; and see ye indeed, but perceive not. Make the heart of this people fat, and make their ears heavy, and shut their eyes; lest they see with their eyes, and hear with their ears, and understand with their heart, and convert, and be healed.
Daniel 5:20 KJV
But when his heart was lifted up, and his mind hardened in pride, he was deposed from his kingly throne, and they took his glory from him:
Hebrews 3:13 KJV
But exhort one another daily, while it is called To day; lest any of you be hardened through the deceitfulness of sin.
1 Thessalonians 2:13 KJV
For this cause also thank we God without ceasing, because, when ye received the word of God which ye heard of us, ye received it not as the word of men, but as it is in truth, the word of God, which effectually worketh also in you that believe.
Romans 6:23 KJV
For the wages of sin is death; but the gift of God is eternal life through Jesus Christ our Lord.
Mark 6:52 KJV
For they considered not the miracle of the loaves: for their heart was hardened.
1 Samuel 6:6 KJV
Wherefore then do ye harden your hearts, as the Egyptians and Pharaoh hardened their hearts? when he had wrought wonderfully among them, did they not let the people go, and they departed?
Romans 2:5 KJV
But after thy hardness and impenitent heart treasurest up unto thyself wrath against the day of wrath and revelation of the righteous judgment of God;
Proverbs 28:14 KJV
Happy is the man that feareth alway: but he that hardeneth his heart shall fall into mischief.
Ephesians 1:18 KJV
The eyes of your understanding being enlightened; that ye may know what is the hope of his calling, and what the riches of the glory of his inheritance in the saints,
Exodus 10:20 KJV
But the LORD hardened Pharaoh’s heart, so that he would not let the children of Israel go.
Exodus 14:4 KJV
And I will harden Pharaoh’s heart, that he shall follow after them; and I will be honoured upon Pharaoh, and upon all his host; that the Egyptians may know that I am the LORD. And they did so.
Hebrews 4:7 KJV
Again, he limiteth a certain day, saying in David, To day, after so long a time; as it is said, To day if ye will hear his voice, harden not your hearts.
Romans 5:12 KJV
Wherefore, as by one man sin entered into the world, and death by sin; and so death passed upon all men, for that all have sinned:
Isaiah 6:10 KJV
Make the heart of this people fat, and make their ears heavy, and shut their eyes; lest they see with their eyes, and hear with their ears, and understand with their heart, and convert, and be healed.
Exodus 8:15 KJV
But when Pharaoh saw that there was respite, he hardened his heart, and hearkened not unto them; as the LORD had said.
Isaiah 42:6-7 KJV
I the LORD have called thee in righteousness, and will hold thine hand, and will keep thee, and give thee for a covenant of the people, for a light of the Gentiles; To open the blind eyes, to bring out the prisoners from the prison, and them that sit in darkness out of the prison house.
Exodus 7:13 KJV
And he hardened Pharaoh’s heart, that he hearkened not unto them; as the LORD had said.
Philippians 2:13 KJV
For it is God which worketh in you both to will and to do of his good pleasure.
Mark 10:5 KJV
And Jesus answered and said unto them, For the hardness of your heart he wrote you this precept.
John 8:12 KJV
Then spake Jesus again unto them, saying, I am the light of the world: he that followeth me shall not walk in darkness, but shall have the light of life.
Proverbs 4:23 KJV
Keep thy heart with all diligence; for out of it are the issues of life.
Deuteronomy 2:30 KJV
But Sihon king of Heshbon would not let us pass by him: for the LORD thy God hardened his spirit, and made his heart obstinate, that he might deliver him into thy hand, as appeareth this day.
Proverbs 3:5 KJV
Trust in the LORD with all thine heart; and lean not unto thine own understanding.
Psalms 19:14 KJV
Let the words of my mouth, and the meditation of my heart, be acceptable in thy sight, O LORD, my strength, and my redeemer.
Hebrews 3:15 KJV
While it is said, To day if ye will hear his voice, harden not your hearts, as in the provocation.
Psalms 34:18 KJV
The LORD is nigh unto them that are of a broken heart; and saveth such as be of a contrite spirit.
1 John 1:9 KJV
If we confess our sins, he is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness.
2 Timothy 3:16 KJV
All scripture is given by inspiration of God, and is profitable for doctrine, for reproof, for correction, for instruction in righteousness:
John 5:39 KJV
Search the scriptures; for in them ye think ye have eternal life: and they are they which testify of me.
Matthew 24:35 KJV
Heaven and earth shall pass away, but my words shall not pass away.
Matthew 5:8 KJV
Blessed are the pure in heart: for they shall see God.
Hebrews 4:13 KJV
Neither is there any creature that is not manifest in his sight: but all things are naked and opened unto the eyes of him with whom we have to do.
2 Corinthians 5:10 KJV
For we must all appear before the judgment seat of Christ; that every one may receive the things done in his body, according to that he hath done, whether it be good or bad.
Exodus 10:27 KJV
But the LORD hardened Pharaoh’s heart, and he would not let them go.
Exodus 8:32 KJV
And Pharaoh hardened his heart at this time also, neither would he let the people go.
Luke 22:42 KJV
Saying, Father, if thou be willing, remove this cup from me: nevertheless not my will, but thine, be done.
Matthew 6:21 KJV
For where your treasure is, there will your heart be also.
Matthew 4:4 KJV
But he answered and said, It is written, Man shall not live by bread alone, but by every word that proceedeth out of the mouth of God.
2 Chronicles 36:13 KJV
And he also rebelled against king Nebuchadnezzar, who had made him swear by God: but he stiffened his neck, and hardened his heart from turning unto the LORD God of Israel.
Romans 11:7 KJV
What then? Israel hath not obtained that which he seeketh for; but the election hath obtained it, and the rest were blinded
Romans 10:17 KJV
So then faith cometh by hearing, and hearing by the word of God.
Romans 10:10 KJV
For with the heart man believeth unto righteousness; and with the mouth confession is made unto salvation.
John 14:27 KJV
Peace I leave with you, my peace I give unto you: not as the world giveth, give I unto you. Let not your heart be troubled, neither let it be afraid.
John 14:1 KJV
Let not your heart be troubled: ye believe in God, believe also in me.
John 3:36 KJV
He that believeth on the Son hath everlasting life: and he that believeth not the Son shall not see life; but the wrath of God abideth on him.
Exodus 14:8 KJV
And the LORD hardened the heart of Pharaoh king of Egypt, and he pursued after the children of Israel: and the children of Israel went out with an high hand.
Exodus 10:1 KJV
And the LORD said unto Moses, Go in unto Pharaoh: for I have hardened his heart, and the heart of his servants, that I might shew these my signs before him:
Exodus 8:19 KJV
Then the magicians said unto Pharaoh, This is the finger of God: and Pharaoh’s heart was hardened, and he hearkened not unto them; as the LORD had said.
2 Timothy 3:16-17 KJV
All scripture is given by inspiration of God, and is profitable for doctrine, for reproof, for correction, for instruction in righteousness: That the man of God may be perfect, throughly furnished unto all good works.
2 Timothy 2:15 KJV
Study to shew thyself approved unto God, a workman that needeth not to be ashamed, rightly dividing the word of truth.
Ecclesiastes 7:21 KJV
Also take no heed unto all words that are spoken; lest thou hear thy servant curse thee:
Job 9:4 KJV
He is wise in heart, and mighty in strength: who hath hardened himself against him, and hath prospered?
Acts 19:9 KJV
But when divers were hardened, and believed not, but spake evil of that way before the multitude, he departed from them, and separated the disciples, disputing daily in the school of one Tyrannus.
Mark 3:5 KJV
And when he had looked round about on them with anger, being grieved for the hardness of their hearts, he saith unto the man, Stretch forth thine hand. And he stretched it out: and his hand was restored whole as the other.
Hebrews 3:7 KJV
Wherefore (as the Holy Ghost saith, To day if ye will hear his voice,
Proverbs 14:12 KJV
There is a way which seemeth right unto a man, but the end thereof are the ways of death.
Exodus 9:34 KJV
And when Pharaoh saw that the rain and the hail and the thunders were ceased, he sinned yet more, and hardened his heart, he and his servants.
2 Peter 1:20-21 KJV
Knowing this first, that no prophecy of the scripture is of any private interpretation. For the prophecy came not in old time by the will of man: but holy men of God spake as they were moved by the Holy Ghost.
Obadiah 1:3 KJV
The pride of thine heart hath deceived thee, thou that dwellest in the clefts of the rock, whose habitation is high; that saith in his heart, Who shall bring me down to the ground?
Psalms 95:8 KJV
Harden not your heart, as in the provocation, and as in the day of temptation in the wilderness:
Philippians 4:7 KJV
And the peace of God, which passeth all understanding, shall keep your hearts and minds through Christ Jesus.
Luke 11:13 KJV
If ye then, being evil, know how to give good gifts unto your children: how much more shall your heavenly Father give the Holy Spirit to them that ask him?
Exodus 11:10 KJV
And Moses and Aaron did all these wonders before Pharaoh: and the LORD hardened Pharaoh’s heart, so that he would not let the children of Israel go out of his land.
Hebrews 3:12-13 KJV
Take heed, brethren, lest there be in any of you an evil heart of unbelief, in departing from the living God. But exhort one another daily, while it is called To day; lest any of you be hardened through the deceitfulness of sin.
Colossians 3:23 KJV
And whatsoever ye do, do it heartily, as to the Lord, and not unto men;
Romans 9:17-18 KJV
For the scripture saith unto Pharaoh, Even for this same purpose have I raised thee up, that I might shew my power in thee, and that my name might be declared throughout all the earth. Therefore hath he mercy on whom he will have mercy, and whom he will he hardeneth.
Matthew 27:46 KJV
And about the ninth hour Jesus cried with a loud voice, saying, Eli, Eli, lama sabachthani? that is to say, My God, my God, why hast thou forsaken me?
2 Peter 3:9 KJV
The Lord is not slack concerning his promise, as some men count slackness; but is longsuffering to us-ward, not willing that any should perish, but that all should come to repentance.
John 16:13 KJV
Howbeit when he, the Spirit of truth, is come, he will guide you into all truth: for he shall not speak of himself; but whatsoever he shall hear, that shall he speak: and he will shew you things to come.
Romans 12:2 KJV
And be not conformed to this world: but be ye transformed by the renewing of your mind, that ye may prove what is that good, and acceptable, and perfect, will of God.
Jeremiah 18:12 KJV
And they said, There is no hope: but we will walk after our own devices, and we will every one do the imagination of his evil heart.
Jeremiah 16:12 KJV
And ye have done worse than your fathers; for, behold, ye walk every one after the imagination of his evil heart, that they may not hearken unto me:
Revelation 16:9 KJV
And men were scorched with great heat, and blasphemed the name of God, which hath power over these plagues: and they repented not to give him glory.
Revelation 16:11 KJV
And blasphemed the God of heaven because of their pains and their sores, and repented not of their deeds.
Isaiah 42:25 KJV
Therefore he hath poured upon him the fury of his anger, and the strength of battle: and it hath set him on fire round about, yet he knew not; and it burned him, yet he laid it not to heart.
Acts 28:27 KJV
For the heart of this people is waxed gross, and their ears are dull of hearing, and their eyes have they closed; lest they should see with their eyes, and hear with their ears, and understand with their heart, and should be converted, and I should heal them.
