Matthew 7:15
Beware of the false prophets, who come to you in sheeps clothing, but inwardly are ravening wolves.
Romans 16:18
For such men are not servants of our Lord Christ, but of their own appetites; and by good words and fair speeches they deceive the hearts of the simple.
2 Corinthians 11:13-15
For such are false apostles, deceitful workmen, transforming themselves into apostles of Christ.
Galatians 2:4
and that because of the false brethren stealthily brought in, who crept in to spy out our liberty which we have in Christ Jesus, that they might bring into bondage;
Ephesians 4:14
that we may no longer be children, tossed to and fro and borne about by every wind of teaching, through the dishonest tricks of men, and their cunning in the wily arts of error;
2 Thessalonians 2:9-10
[he,] whose coming is after the working of Satan with all power, and signs, and wonders of falsehood,
1 Timothy 4:1-2
Now the Spirit saith expressly, that in the latter times some will depart from the faith, giving heed to seducing spirits and teachings of demons,
Titus 1:10-12
For there are many unruly vain talkers and deceivers, especially they of the circumcision;
Revelation 13:11-14
And I saw another beast coming up out of the earth; and he had two horns like a lamb, and he spoke as a dragon.
Revelation 19:20
And the beast was seized and he who was with him, the false prophet who wrought the signs in his presence, with which he deceived those who received the mark of the beast, and who worshipped his image; the two were cast alive into the lake of fire burning with brimstone.