2 Thessalonians 2:11

And for this cause God will send them strong delusion, that they should believe a lie:

Romans 1:28

And even as they did not like to retain God in their knowledge, God gave them over to a reprobate mind, to do those things which are not convenient;

Ezekiel 14:9

And if the prophet be deceived when he hath spoken a thing, I the LORD have deceived that prophet, and I will stretch out my hand upon him, and will destroy him from the midst of my people Israel.

1 Kings 22:18-22

And the king of Israel said to Jehoshaphat, Did I not tell thee that he would prophesy no good concerning me, but evil?

2 Chronicles 18:18-22

Again he said, Therefore hear the word of the LORD; I saw the LORD sitting upon his throne, and all the host of heaven standing on his right hand and on his left.

Psalm 81:11-12

But my people would not hearken to my voice; and Israel would not obey me.

Psalm 109:17

As he loved cursing, so let it come to him: as he delighted not in blessing, so let it be far from him.

Isaiah 6:9-10

And he said, Go, and tell this people, Hear ye indeed, but understand not; and see ye indeed, but perceive not.

Isaiah 29:9-14

Stay yourselves, and wonder; cry ye out, and cry: they are drunken, but not with wine; they stagger, but not with strong drink.

Isaiah 44:20

He feedeth on ashes: a deceived heart hath turned him aside, that he cannot deliver his soul, nor say, Is there not a lie in my right hand?

Isaiah 66:4

I also will choose their delusions, and will bring their fears upon them; because when I called, none did answer; when I spoke, they did not hear: but they did evil before my eyes, and chose that in which I delighted not.

Jeremiah 27:10

For they prophesy a lie to you, to remove you far from your land; and that I should drive you out, and ye should perish.

Ezekiel 21:29

While they see vanity to thee, while they divine a lie to thee, to bring thee upon the necks of them that are slain, of the wicked, whose day is come, when their iniquity shall have an end.

Matthew 24:5

For many will come in my name, saying, I am Christ; and will deceive many.

Matthew 24:11

And many false prophets will rise, and will deceive many.

John 12:39-43

Therefore they could not believe, because that Isaiah said again,

Romans 1:21-25

Because that when they knew God, they glorified him not as God, neither were thankful, but became vain in their imaginations, and their foolish heart was darkened.

1 Thessalonians 2:3

For our exhortation was not from deceit, nor from impurity, nor in guile;

1 Timothy 4:1

Now the Spirit speaketh expressly, that in the latter times some will depart from the faith, giving heed to seducing spirits and doctrines of demons;

Treasury of Scripture Knowledge

Summary

And for this cause God shall send them strong delusion, that they should believe a lie:

Bible References

General references

Exodus 8:7
And the magicians did so with their enchantments, and brought up frogs upon the land of Egypt.
Exodus 10:20
But the LORD hardened Pharaoh's heart, so that he would not let the children of Israel go.
Leviticus 13:29
If a man or woman shall have a plague upon the head or the beard;
Deuteronomy 13:2
And the sign or the wonder shall come to pass, of which he spoke to thee, saying, Let us go after other gods, which thou hast not known, and let us serve them;
Deuteronomy 28:28
The LORD shall smite thee with the madness, and blindness, and astonishment of heart:
Deuteronomy 29:4
Yet the LORD hath not given you a heart to perceive, and eyes to see, and ears to hear, to this day.
Psalm 109:17
As he loved cursing, so let it come to him: as he delighted not in blessing, so let it be far from him.
Isaiah 47:12
Stand now with thy enchantments, and with the multitude of thy sorceries, in which thou hast labored from thy youth; if thou shalt be able to profit, if thou mayest prevail.