2 Peter 2:1
But there were false prophets, too, among the people, just as among you also there will be false teachers. These will secretly bring in destructive sects, denying even the Master who bought them, and bringing swift ruin upon themselves.
Revelation 2:20
But I have this against you, that you are tolerating that woman Jezebel, who calls herself a prophetess, and she is teaching and leading my slaves astray, leading them to practise immorality, and to eat food which has been sacrificed to idols.
Revelation 19:20
And the beast was seized, and with him the false prophet who performed miracles in his presence to deceive those who had received the brand of the beast, and those who worshiped his image. The two were thrown alive into the lake of fire, blazing with brimstone.