John 6:70-71

6:70 Jesus replied, “Didn’t I choose you, the twelve, and yet one of you is the devil?” 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 13:26

13:26 Jesus replied, “It is the one to whom I will give this piece of bread after I have dipped it in the dish.” Then he dipped the piece of bread in the dish and gave it to Judas Iscariot, Simon’s son.

John 18:2-5

18:2 (Now Judas, the one who betrayed him, knew the place too, because Jesus had met there many times with his disciples.) 18:3 So Judas obtained a squad of soldiers and some officers of the chief priests and Pharisees. They came to the orchard with lanterns and torches and weapons.

18:4 Then Jesus, because he knew everything that was going to happen to him, came and asked them, “Who are you looking for?” 18:5 They replied, “Jesus the Nazarene.” He told them, “I am he.” (Now Judas, the one who betrayed him, was standing there with them.)

Matthew 10:4

10:4 Simon the Zealot and Judas Iscariot, who betrayed him.

Luke 6:16

6:16 Judas the son of James, and Judas Iscariot, who became a traitor.