John 12:4

Therefore said one of his disciples, Judas Iscariot, the son of Simon, who was about to betray Him,

Matthew 10:4

Simon the Canaanite, and Judas Iscariot, even he that betrayed Him.

Luke 6:16

and Judas Iscariot, who was the traitor:)

John 6:70-71

Jesus answered them, Have not I chosen you twelve, and one of you is a devil?

John 13:2

supper being prepared, (the devil having put it into the heart of Judas Iscariot, the son of Simon, to betray Him) Jesus,

John 13:26

Jesus answered, It is he to whom I shall give a sop, when I have dipped it: and He dipped in a sop and gave it to Judas the Iscariot the son of Simon.

John 18:2-5

knew the place: for Jesus often met there together with his disciples: Judas therefore having got a band of soldiers,

Treasury of Scripture Knowledge

Summary

Then saith one of his disciples, Judas Iscariot, Simon's son, which should betray him,

Bible References

Judas iscariot

John 6:70
Jesus answered them, Have not I chosen you twelve, and one of you is a devil?
John 13:2
supper being prepared, (the devil having put it into the heart of Judas Iscariot, the son of Simon, to betray Him) Jesus,
John 18:2
knew the place: for Jesus often met there together with his disciples: Judas therefore having got a band of soldiers,
Matthew 10:4
Simon the Canaanite, and Judas Iscariot, even he that betrayed Him.
Luke 6:16
and Judas Iscariot, who was the traitor:)