Leonard McCoy
- Full Name: Leonard H. McCoy
- Born: 2227; Georgia, United States of America, Earth (TOS: "This Side of Paradise"; TNG: "Encounter at Farpoint")
- Species: Human
- Gender: Male
- Father: David McCoy
- Wife: Jocelyn McCoy (2248 - 2253)
- Daughter: Joanna McCoy
- 2245: Pre-medical study, University of Mississippi; Earth (DS9: "Trials and Tribble-ations"; DS9 Short Story: "Old Souls")
- 2248: Cadet, Starfleet Medical Academy
- 2251: Field residency, Dramia II (TAS: "Albatross")
- 2253: Ensign, Starfleet
- By 2265: Lieutenant commander, Starfleet; Capella IV
- Mid-December 2265: Lieutenant commander, chief medical officer, Starfleet; USS Enterprise (NCC-1701) (VAN Novel: Harbinger)
- 2269: Commander, chief medical officer, Starfleet; USS Enterprise (TAS)
- December 2270: Commander, field research, Starfleet; Lorina (TOS Novel: Ex Machina)
- June 2273: Retirement from Starfleet (Star Trek: The Motion Picture)
- Relocated to Appalachian mountains (Star Trek: The Motion Picture)
- September 28, 2273: Commander, chief medical officer, Starfleet; USS Enterprise (Star Trek: The Motion Picture)
- Reactivation by order of Heihachiro Nogura (Star Trek: The Motion Picture)
- By 2287: Commander, chief medical officer, Starfleet; USS Enterprise (NCC-1701-A) (Star Trek V: The Final Frontier)
- By 2364: Admiral, physician, Starfleet Medical, Starfleet (TNG: "Encounter at Farpoint")
- Still alive and in active service as of 2376 (SCE Short Story: "Interphase Book 2")