The Apostles

 

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• Simon Peter (also known as Cephas)
• Andrew, Peter's brother
• James, son of Zebedee (also called James the Greater)
• John, James's brother (also known as John the Evangelist)
• Philiph
• Bartholomew (thought to be Nathanael in the Gospel of John)
• Matthew (also called Levi), the tax collector
• Thomas (also known as Didymus, or "Doubting Thomas")
• James, son of Alphaeus (also called James the Less)
• Thaddaeus (also known as Jude or Judas, son of James, "not Iscariot")
• Simon the Zealot (or Simon the Cananaean)
• Judas Iscariot, who betrayed Jesus

After Judas Iscariot's death by suicide, the remaining eleven apostles selected Matthias to replace him and restore the number twelve, as recorded in the Acts of the Apostles. 

Later in the New Testament, other early Christian leaders are also referred to as apostles, most notably Paul (formerly Saul of Tarsus) and Barnabas.