Matthew 7:15
But beware of false prophets, who come to you in sheep's clothing, but within they are rapacious wolves.
Matthew 24:11
and many false prophets shall be raised up and deceive many,
Matthew 24:24
For false Christs and false prophets shall be raised up, and shall show great signs and wonders, so as to deceive, if possible, even the elect.
Mark 13:22
For false prophets shall arise, and perform miracles and wonders, to deceive, if possible, the elect.
Luke 6:26
Woe, when all men speak well of you! for in this manner did their fathers of the false prophets.
2 Thessalonians 2:9
whose coming is according to the power of Satan, with all power and miracles and false prodigies
2 Peter 2:1
But there were also false prophets among the people, as there shall also be false teachers among you, who shall bring in by stealth destructive heresies, even denying the master that bought them, bringing on themselves swift destruction;
1 John 4:1
BELOVED, believe not every spirit, but prove the spirits whether they are of God; for many false prophets have gone out into the world.