Simon Peter

Andrew, Peter's brother

James, son of Zebedee

John, James' brother

Philip

Bartholomew (also known as Nathanael)

Matthew (also known as Levi)

Thomas (also known as Didymus)

James, son of Alphaeus

Thaddaeus (also known as Judas, son of James, or Lebbaeus)

Simon the Zealot (also known as Simon the Cananaean)

Judas Iscariot, who later betrayed Jesus.