Matthew 24:5

"for many will come assuming my name and saying 'I am the Christ;' and they will mislead many.

Matthew 24:11

Many false prophets will rise up and lead multitudes astray;

Matthew 24:24

For there will rise up false Christs and false prophets, displaying wonderful signs and prodigies, so as to deceive, were it possible, even God's own People.

1 John 2:18

Dear children, the last hour has come; and as you once heard that there was to be an anti-Christ, so even now many anti-Christs have appeared. By this we may know that the last hour has come.

John 5:43

I have come as my Father's representative, and you do not receive me. If some one else comes representing only himself, him you will receive.

Acts 5:36-37

Years ago Theudas appeared, professing to be a person of importance, and a body of men, some four hundred in number, joined him. He was killed, and all his followers were dispersed and annihilated.

Acts 8:9-10

Now for some time past there had been a man named Simon living there, who had been practising magic and astonishing the Samaritans, pretending that he was more than human.

Revelation 13:8

And all the inhabitants of the earth will be found to be worshipping him: every one whose name is not recorded in the Book of Life--the Book of the Lamb who has been offered in sacrifice ever since the creation of the world.

Treasury of Scripture Knowledge

Summary

For many shall come in my name, saying, I am Christ; and shall deceive many.

General references

Bible References

In

Matthew 24:11
Many false prophets will rise up and lead multitudes astray;
John 5:43
I have come as my Father's representative, and you do not receive me. If some one else comes representing only himself, him you will receive.
Acts 5:36
Years ago Theudas appeared, professing to be a person of importance, and a body of men, some four hundred in number, joined him. He was killed, and all his followers were dispersed and annihilated.
Acts 8:9
Now for some time past there had been a man named Simon living there, who had been practising magic and astonishing the Samaritans, pretending that he was more than human.
Revelation 13:8
And all the inhabitants of the earth will be found to be worshipping him: every one whose name is not recorded in the Book of Life--the Book of the Lamb who has been offered in sacrifice ever since the creation of the world.

General references

Matthew 24:11
Many false prophets will rise up and lead multitudes astray;
Mark 13:21
"At that time if any one says to you, 'See, here is the Christ!' or 'See, He is there!' do not believe it.