2 Thessalonians 2:11

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

Romans 1:28

And even as they did not think fit to have God in their knowledge, God gave them over to a reprobate mind, to do the things not right,

Ezekiel 14:9

And the prophet, if he is deceived, and he speaks a word, I Jehovah have deceived that prophet. And I will stretch out My hand on him and will destroy him in the midst of My people Israel.

1 Kings 22:18-22

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

2 Chronicles 18:18-22

Again he said, And hear the Word of Jehovah. I saw Jehovah sitting on His throne, and all the host of Heaven were standing on His right hand and on His left.

Psalm 81:11-12

But My people would not listen to My voice, and Israel would have none of Me.

Psalm 109:17

Yea, he loved cursing, so let it come to him; he delighted not in blessing, and it was far from him.

Isaiah 6:9-10

And He said, Go, and tell this people, You hear indeed, but do not understand; and seeing you see, but do not know.

Isaiah 29:9-14

Stand still and wonder! Blind your eyes and be blind! They are drunk, 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, so that he cannot deliver his soul, nor say, Is there not a lie in my right hand?

Isaiah 66:4

I also will choose the things that delude them, and I will bring their fears on them, because I called, no one answered; when I spoke, they did not hear. But they did evil before My eyes and chose that in which I did not delight.

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 you should perish.

Ezekiel 21:29

while they see false visions for you, while they divine a lie to you, to put you on the necks of the slain of the wicked whose day has come in the day of iniquity; it 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 deceive many.

John 12:39-43

Therefore they could not believe, because Isaiah said again,

Romans 1:21-25

Because, knowing God, they did not glorify Him as God, neither were thankful. But they became vain in their imaginations, and their foolish heart was darkened.

1 Thessalonians 2:3

For our exhortation to you was not of error, nor of uncleanness, nor in guile,

1 Timothy 4:1

But the Spirit expressly says that in the latter times some shall depart from the faith, giving heed to seducing spirits and teachings 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 secret arts, and brought up frogs upon the land of Egypt.
Exodus 10:20
But Jehovah hardened Pharaoh's heart, and he did not let the sons of Israel go.
Leviticus 13:29
If a man or woman has in them a plague on the head or the beard,
Deuteronomy 13:2
and the sign or the wonder which he foretold to you occurs, saying, Let us go after other gods which you have not known, and let us serve them,
Deuteronomy 28:28
Jehovah shall strike you with madness and blindness, and astonishment of heart.
Deuteronomy 29:4
Yet Jehovah has not given you a heart to perceive, and eyes to see, and ears to hear, until today.
Psalm 109:17
Yea, he loved cursing, so let it come to him; he delighted not in blessing, and it was far from him.
Isaiah 47:12
Stand now with your spells, and with the multitude of your sorceries, in which you have wearied yourself since your youth. Perhaps you will be able to profit; perhaps you may bring terror.