John 6:71

6:71 (Now he said this about Judas son of Simon Iscariot, for Judas, one of the twelve, was going to betray him.)

John 13:2

13:2 The evening meal was in progress, and the devil had already put into the heart of Judas Iscariot, Simon’s son, that he should betray Jesus.

John 13:11

13:11 (For Jesus knew the one who was going to betray him. For this reason he said, “Not every one of you is clean.”)

John 13:21

13:21 When he had said these things, Jesus was greatly distressed in spirit, and testified, “I tell you the solemn truth, one of you will betray me.”

John 6:64

6:64 But there are some of you who do not believe.” (For Jesus had already known from the beginning who those were who did not believe, and who it was who would betray him.)

John 21:20

Peter and the Disciple Jesus Loved

21:20 Peter turned around and saw the disciple whom Jesus loved following them. (This was the disciple who had leaned back against Jesus’ chest at the meal and asked, “Lord, who is the one who is going to betray you?”)