James Kirk
- Full Name: James Tiberius Kirk
- Born: March 22, 2233; Riverside, Iowa, United States of America, Earth (ENT: "In a Mirror, Darkly, Part II"; ENT Novel: Last Full Measure)
- Species: Human
- Gender: Male
- Father: George Kirk Sr.
- Mother: Winona Kirk
- Brother: George Kirk Jr.
- Son: David Marcus
- By 2246: Resident, Tarsus IV (TOS: "The Conscience of the King")
- November 2251: Cadet, Starfleet Academy, command track (TOS: "Shore Leave")
- 2252: Ensign, navigator, Starfleet Academy field training; USS Republic (TOS: "Court Martial")
- 2255: Lieutenant junior grade, Starfleet Academy field training (TOS: "The Corbomite Maneuver")
- September 2256: Lieutenant, phaser gun crew, Starfleet; USS Farragut (TOS: "Obsession")
- Mid-2263: Captain, commanding officer, Starfleet; USS Enterprise (NCC-1701) (VAN Novel: Harbinger)
- By Historian's Note