2 Thessalonians 2:11

And for this cause God shall send them a 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 proper;

Ezekiel 14:9

And if the prophet is deceived when he has 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 unto Jehoshaphat, Did I not tell you 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 have none of me.

Psalm 109:17

As he loved cursing, so let it come unto 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 you indeed, but understand not; and see you indeed, but perceive not.

Isaiah 29:9-14

Stop, and wonder; cry you out, and cry: they are drunken, but not with wine; they stagger, but not with strong drink.

Isaiah 44:20

He feeds on ashes: a deceived heart has 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 unto you, to remove you far from your land; and that I should drive you out, and you should perish.

Ezekiel 21:29

While they see false visions for you, while they divine a lie unto you, to bring you upon the necks of them that are slain, of the wicked, whose day has come, when their iniquity shall have an end.

Matthew 24:5

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

Matthew 24:11

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

John 12:39-43

Therefore they could not believe, because Isaiah said again,

Romans 1:21-25

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

1 Thessalonians 2:3

For our exhortation was not of deceit, nor of uncleanness, nor in guile:

1 Timothy 4:1

Now the Spirit speaks expressly, that in the latter times some shall depart from the faith, giving heed to deceitful 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 has a disease upon the head or the beard;
Deuteronomy 13:2
And the sign or the wonder comes to pass, of which he spoke unto you, and he says, Let us go after other gods, which you have not known, and let us serve them;
Deuteronomy 28:28
The LORD shall strike you with madness, and blindness, and confusion of mind:
Deuteronomy 29:4
Yet the LORD has not given you a heart to perceive, and eyes to see, and ears to hear, unto this day.
Psalm 109:17
As he loved cursing, so let it come unto him: as he delighted not in blessing, so let it be far from him.
Isaiah 47:12
Stand now with your enchantments, and with the multitude of your sorceries, in which you have labored from your youth; perhaps you shall be able to profit, perhaps you may prevail.