Matthew 24:11
and many false prophets will arise and deceive many.

2 Peter 2:1-3
Now there were also false prophets among the people, just as there will be false teachers among you. They will secretly introduce destructive heresies, even denying the Master who bought them—bringing swift destruction on themselves. / Many will follow in their depravity, and because of them the way of truth will be defamed. / In their greed, these false teachers will exploit you with deceptive words. The longstanding verdict against them remains in force, and their destruction does not sleep.

1 John 4:1
Beloved, do not believe every spirit, but test the spirits to see whether they are from God. For many false prophets have gone out into the world.

2 Thessalonians 2:9-12
The coming of the lawless one will be accompanied by the working of Satan, with every kind of power, sign, and false wonder, / and with every wicked deception directed against those who are perishing, because they refused the love of the truth that would have saved them. / For this reason God will send them a powerful delusion so that they believe the lie, ...

1 Timothy 4:1-2
Now the Spirit expressly states that in later times some will abandon the faith to follow deceitful spirits and the teachings of demons, / influenced by the hypocrisy of liars, whose consciences are seared with a hot iron.

Jude 1:4
For certain men have crept in among you unnoticed—ungodly ones who were designated long ago for condemnation. They turn the grace of our God into a license for immorality, and they deny our only Master and Lord, Jesus Christ.

Revelation 13:13-14
And the second beast performed great signs, even causing fire from heaven to come down to earth in the presence of the people. / Because of the signs it was given to perform on behalf of the first beast, it deceived those who dwell on the earth, telling them to make an image to the beast that had been wounded by the sword and yet had lived.

Matthew 7:15
Beware of false prophets. They come to you in sheep’s clothing, but inwardly they are ravenous wolves.

Acts 20:29-30
I know that after my departure, savage wolves will come in among you and will not spare the flock. / Even from your own number, men will rise up and distort the truth to draw away disciples after them.

2 Corinthians 11:13-15
For such men are false apostles, deceitful workers, masquerading as apostles of Christ. / And no wonder, for Satan himself masquerades as an angel of light. / It is not surprising, then, if his servants masquerade as servants of righteousness. Their end will correspond to their actions.

Jeremiah 23:16
This is what the LORD of Hosts says: “Do not listen to the words of the prophets who prophesy to you. They are filling you with false hopes. They speak visions from their own minds, not from the mouth of the LORD.

Ezekiel 13:9-10
My hand will be against the prophets who see false visions and speak lying divinations. They will not belong to the council of My people or be recorded in the register of the house of Israel, nor will they enter the land of Israel. Then you will know that I am the Lord GOD. / Because they have led My people astray, saying, ‘Peace,’ when there is no peace, and whitewashing any flimsy wall that is built,

Micah 3:5
This is what the LORD says: “As for the prophets who lead My people astray, who proclaim peace while they chew with their teeth, but declare war against one who puts nothing in their mouths:

Isaiah 30:10
They say to the seers, “Stop seeing visions!” and to the prophets, “Do not prophesy to us the truth! Speak to us pleasant words; prophesy illusions.

Jeremiah 14:14
“The prophets are prophesying lies in My name,” replied the LORD. “I did not send them or appoint them or speak to them. They are prophesying to you a false vision, a worthless divination, the futility and delusion of their own minds.