Here are 84 Bible verses about unbelief from the Old and New Testaments of the Holy Bible (King James Version), sorted from most to least relevant.
Mark 9:23-25 KJV
Jesus said unto him, If thou canst believe, all things are possible to him that believeth. And straightway the father of the child cried out, and said with tears, Lord, I believe; help thou mine unbelief. When Jesus saw that the people came running together, he rebuked the foul spirit, saying unto him, Thou dumb and deaf spirit, I charge thee, come out of him, and enter no more into him.
John 3:18-19 KJV
He that believeth on him is not condemned: but he that believeth not is condemned already, because he hath not believed in the name of the only begotten Son of God. And this is the condemnation, that light is come into the world, and men loved darkness rather than light, because their deeds were evil.
2 Thessalonians 2:11-12 KJV
And for this cause God shall send them strong delusion, that they should believe a lie: That they all might be damned who believed not the truth, but had pleasure in unrighteousness.
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.
Mark 16:16 KJV
He that believeth and is baptized shall be saved; but he that believeth not shall be damned.
Jude 1:22 KJV
And of some have compassion, making a difference:
John 20:27-29 KJV
Then saith he to Thomas, reach hither thy finger, and behold my hands; and reach hither thy hand, and thrust it into my side: and be not faithless, but believing. And Thomas answered and said unto him, My Lord and my God. Jesus saith unto him, Thomas, because thou hast seen me, thou hast believed: blessed are they that have not seen, and yet have believed.
2 Timothy 3:5 KJV
Having a form of godliness, but denying the power thereof: from such turn away.
Ephesians 2:8 KJV
For by grace are ye saved through faith; and that not of yourselves: it is the gift of God:
1 John 2:15-17 KJV
Love not the world, neither the things that are in the world. If any man love the world, the love of the Father is not in him. For all that is in the world, the lust of the flesh, and the lust of the eyes, and the pride of life, is not of the Father, but is of the world. And the world passeth away, and the lust thereof: but he that doeth the will of God abideth for ever.
Matthew 17:20 KJV
And Jesus said unto them, Because of your unbelief: for verily I say unto you, If ye have faith as a grain of mustard seed, ye shall say unto this mountain, Remove hence to yonder place; and it shall remove; and nothing shall be impossible unto you.
Matthew 7:21 KJV
Not every one that saith unto me, Lord, Lord, shall enter into the kingdom of heaven; but he that doeth the will of my Father which is in heaven.
James 1:6 KJV
But let him ask in faith, nothing wavering. For he that wavereth is like a wave of the sea driven with the wind and tossed.
Hebrews 11:6 KJV
But without faith it is impossible to please him: for he that cometh to God must believe that he is, and that he is a rewarder of them that diligently seek him.
Hebrews 3:19 KJV
So we see that they could not enter in because of unbelief.
Isaiah 66:2 KJV
For all those things hath mine hand made, and all those things have been, saith the LORD: but to this man will I look, even to him that is poor and of a contrite spirit, and trembleth at my word.
Matthew 22:14 KJV
For many are called, but few are chosen.
John 3:16 KJV
For God so loved the world, that he gave his only begotten Son, that whosoever believeth in him should not perish, but have everlasting life.
Luke 7:23 KJV
And blessed is he, whosoever shall not be offended in 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.
2 Corinthians 6:14-18 KJV
Be ye not unequally yoked together with unbelievers: for what fellowship hath righteousness with unrighteousness? and what communion hath light with darkness? And what concord hath Christ with Belial? or what part hath he that believeth with an infidel? And what agreement hath the temple of God with idols? for ye are the temple of the living God; as God hath said, I will dwell in them, and walk in them; and I will be their God, and they shall be my people. Wherefore come out from among them, and be ye separate, saith the Lord, and touch not the unclean thing; and I will receive you, And will be a Father unto you, and ye shall be my sons and daughters, saith the Lord Almighty.
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.
Hebrews 11:1 KJV
Now faith is the substance of things hoped for, the evidence of things not seen.
1 John 4:1 KJV
Beloved, believe not every spirit, but try the spirits whether they are of God: because many false prophets are gone out into the world.
1 Timothy 6:3-5 KJV
If any man teach otherwise, and consent not to wholesome words, even the words of our Lord Jesus Christ, and to the doctrine which is according to godliness; He is proud, knowing nothing, but doting about questions and strifes of words, whereof cometh envy, strife, railings, evil surmisings, Perverse disputings of men of corrupt minds, and destitute of the truth, supposing that gain is godliness: from such withdraw thyself.
Mark 9:24 KJV
And straightway the father of the child cried out, and said with tears, Lord, I believe; help thou mine unbelief.
Romans 4:20 KJV
He staggered not at the promise of God through unbelief; but was strong in faith, giving glory to God;
Hebrews 4:11 KJV
Let us labour therefore to enter into that rest, lest any man fall after the same example of unbelief.
Romans 10:4 KJV
For Christ is the end of the law for righteousness to every one that believeth.
Matthew 17:17 KJV
Then Jesus answered and said, O faithless and perverse generation, how long shall I be with you? how long shall I suffer you? bring him hither to me.
Romans 11:20 KJV
Well; because of unbelief they were broken off, and thou standest by faith. Be not highminded, but fear:
Luke 18:8 KJV
I tell you that he will avenge them speedily. Nevertheless when the Son of man cometh, shall he find faith on the earth?
1 Timothy 2:4 KJV
Who will have all men to be saved, and to come unto the knowledge of the truth.
Ephesians 5:11 KJV
And have no fellowship with the unfruitful works of darkness, but rather reprove them.
2 John 1:7-11 KJV
For many deceivers are entered into the world, who confess not that Jesus Christ is come in the flesh. This is a deceiver and an antichrist. Look to yourselves, that we lose not those things which we have wrought, but that we receive a full reward. Whosoever transgresseth, and abideth not in the doctrine of Christ, hath not God. He that abideth in the doctrine of Christ, he hath both the Father and the Son. If there come any unto you, and bring not this doctrine, receive him not into your house, neither bid him God speed: For he that biddeth him God speed is partaker of his evil deeds.
Hebrews 4:6 KJV
Seeing therefore it remaineth that some must enter therein, and they to whom it was first preached entered not in because of unbelief:
1 Timothy 1:13 KJV
Who was before a blasphemer, and a persecutor, and injurious: but I obtained mercy, because I did it ignorantly in unbelief.
Romans 11:30 KJV
For as ye in times past have not believed God, yet have now obtained mercy through their unbelief:
Romans 6:23 KJV
For the wages of sin is death; but the gift of God is eternal life through Jesus Christ our Lord.
John 16:9 KJV
Of sin, because they believe not on me;
Revelation 3:11 KJV
Behold, I come quickly: hold that fast which thou hast, that no man take thy crown.
Galatians 3:11 KJV
But that no man is justified by the law in the sight of God, it is evident: for, The just shall live by faith.
1 John 1:5 KJV
This then is the message which we have heard of him, and declare unto you, that God is light, and in him is no darkness at all.
Romans 11:32 KJV
For God hath concluded them all in unbelief, that he might have mercy upon all.
Romans 11:23 KJV
And they also, if they abide not still in unbelief, shall be graffed in: for God is able to graff them in again.
Romans 8:7 KJV
Because the carnal mind is enmity against God: for it is not subject to the law of God, neither indeed can be.
Romans 6:1 KJV
What shall we say then? Shall we continue in sin, that grace may abound?
Romans 3:29-30 KJV
Is he the God of the Jews only? is he not also of the Gentiles? Yes, of the Gentiles also: Seeing it is one God, which shall justify the circumcision by faith, and uncircumcision through faith.
Matthew 13:58 KJV
And he did not many mighty works there because of their unbelief.
1 John 1:6 KJV
If we say that we have fellowship with him, and walk in darkness, we lie, and do not the truth:
Hebrews 4:2 KJV
For unto us was the gospel preached, as well as unto them: but the word preached did not profit them, not being mixed with faith in them that heard it.
Romans 16:17 KJV
Now I beseech you, brethren, mark them which cause divisions and offences contrary to the doctrine which ye have learned; and avoid them.
Romans 1:18 KJV
For the wrath of God is revealed from heaven against all ungodliness and unrighteousness of men, who hold the truth in unrighteousness;
Mark 6:6 KJV
And he marvelled because of their unbelief. And he went round about the villages, teaching.
Psalms 78:22 KJV
Because they believed not in God, and trusted not in his salvation:
1 Peter 1:16 KJV
Because it is written, Be ye holy; for I am holy.
2 Corinthians 4:4 KJV
In whom the god of this world hath blinded the minds of them which believe not, lest the light of the glorious gospel of Christ, who is the image of God, should shine unto them.
2 Corinthians 4:3 KJV
But if our gospel be hid, it is hid to them that are lost:
Luke 21:2-7 KJV
And he saw also a certain poor widow casting in thither two mites. And he said, Of a truth I say unto you, that this poor widow hath cast in more than they all: For all these have of their abundance cast in unto the offerings of God: but she of her penury hath cast in all the living that she had. And as some spake of the temple, how it was adorned with goodly stones and gifts, he said, As for these things which ye behold, the days will come, in the which there shall not be left one stone upon another, that shall not be thrown down. And they asked him, saying, Master, but when shall these things be? and what sign will there be when these things shall come to pass?
Mark 16:14 KJV
Afterward he appeared unto the eleven as they sat at meat, and upbraided them with their unbelief and hardness of heart, because they believed not them which had seen him after he was risen.
Mark 6:5-6 KJV
And he could there do no mighty work, save that he laid his hands upon a few sick folk, and healed them. And he marvelled because of their unbelief. And he went round about the villages, teaching.
Mark 4:40 KJV
And he said unto them, Why are ye so fearful? how is it that ye have no faith?
Matthew 10:15 KJV
Verily I say unto you, It shall be more tolerable for the land of Sodom and Gomorrha in the day of judgment, than for that city.
2 Thessalonians 2:3 KJV
Let no man deceive you by any means: for that day shall not come, except there come a falling away first, and that man of sin be revealed, the son of perdition;
Romans 14:23 KJV
And he that doubteth is damned if he eat, because he eateth not of faith: for whatsoever is not of faith is sin.
Romans 3:3 KJV
For what if some did not believe? shall their unbelief make the faith of God without effect?
Acts 20:28-31 KJV
Take heed therefore unto yourselves, and to all the flock, over the which the Holy Ghost hath made you overseers, to feed the church of God, which he hath purchased with his own blood. For I know this, that after my departing shall grievous wolves enter in among you, not sparing the flock. Also of your own selves shall men arise, speaking perverse things, to draw away disciples after them. Therefore watch, and remember, that by the space of three years I ceased not to warn every one night and day with tears.
2 John 1:10 KJV
If there come any unto you, and bring not this doctrine, receive him not into your house, neither bid him God speed:
2 John 1:8 KJV
Look to yourselves, that we lose not those things which we have wrought, but that we receive a full reward.
Hebrews 3:16 KJV
For some, when they had heard, did provoke: howbeit not all that came out of Egypt by Moses.
2 Thessalonians 2:15 KJV
Therefore, brethren, stand fast, and hold the traditions which ye have been taught, whether by word, or our epistle.
John 4:23 KJV
But the hour cometh, and now is, when the true worshippers shall worship the Father in spirit and in truth: for the Father seeketh such to worship him.
Revelation 22:18 KJV
For I testify unto every man that heareth the words of the prophecy of this book, If any man shall add unto these things, God shall add unto him the plagues that are written in this book:
Revelation 21:8 KJV
But the fearful, and unbelieving, and the abominable, and murderers, and whoremongers, and sorcerers, and idolaters, and all liars, shall have their part in the lake which burneth with fire and brimstone: which is the second death.
1 John 3:2 KJV
Beloved, now are we the sons of God, and it doth not yet appear what we shall be: but we know that, when he shall appear, we shall be like him; for we shall see him as he is.
2 Corinthians 5:7 KJV
(For we walk by faith, not by sight:)
Acts 17:10-11 KJV
And the brethren immediately sent away Paul and Silas by night unto Berea: who coming thither went into the synagogue of the Jews. These were more noble than those in Thessalonica, in that they received the word with all readiness of mind, and searched the scriptures daily, whether those things were so.
James 1:5-8 KJV
If any of you lack wisdom, let him ask of God, that giveth to all men liberally, and upbraideth not; and it shall be given him. But let him ask in faith, nothing wavering. For he that wavereth is like a wave of the sea driven with the wind and tossed. For let not that man think that he shall receive any thing of the Lord. A double minded man is unstable in all his ways.
1 Corinthians 5:6-8 KJV
Your glorying is not good. Know ye not that a little leaven leaveneth the whole lump? Purge out therefore the old leaven, that ye may be a new lump, as ye are unleavened. For even Christ our passover is sacrificed for us: Therefore let us keep the feast, not with old leaven, neither with the leaven of malice and wickedness; but with the unleavened bread of sincerity and truth.
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.
John 12:37 KJV
But though he had done so many miracles before them, yet they believed not on him:
Luke 1:2-3 KJV
Even as they delivered them unto us, which from the beginning were eyewitnesses, and ministers of the word; It seemed good to me also, having had perfect understanding of all things from the very first, to write unto thee in order, most excellent Theophilus,
Hebrews 4:1-2 KJV
Let us therefore fear, lest, a promise being left us of entering into his rest, any of you should seem to come short of it. For unto us was the gospel preached, as well as unto them: but the word preached did not profit them, not being mixed with faith in them that heard it.
Hebrews 3:17 KJV
But with whom was he grieved forty years? was it not with them that had sinned, whose carcases fell in the wilderness?
2 Thessalonians 3:15 KJV
Yet count him not as an enemy, but admonish him as a brother.
John 3:16-17 KJV
For God so loved the world, that he gave his only begotten Son, that whosoever believeth in him should not perish, but have everlasting life. For God sent not his Son into the world to condemn the world; but that the world through him might be saved.
Matthew 14:31 KJV
And immediately Jesus stretched forth his hand, and caught him, and said unto him, O thou of little faith, wherefore didst thou doubt?