William Riker
- Full Name: William Thomas Riker
- Born: 2335; Alaska, United States, Earth (TNG: "The Icarus Factor", "Conundrum", "Lower Decks")
- Species: Human
- Gender: Male
- Father: Kyle Riker
- Mother: Betty Riker
- 2353: Cadet, Starfleet Academy command track (TNG: "The First Duty")
- 2357: Ensign, Starfleet
- April 2358: Ensign, alpha shift conn officer, Starfleet; USS Pegasus (TNG: "The Pegasus")
- 2358: Ensign, Starfleet; Betazed (TNG: "Encounter at Farpoint", "Ménage à Troi", "Second Chances")
- By 2361: Lieutenant, Starfleet; USS Potemkin (TNG: "Peak Performance", "Second Chances")
- 2361: Lieutenant commander, executive officer, Starfleet; USS Hood (TNG: "Encounter at Farpoint", "Second Chances")
- 2364: Commander, executive officer, Starfleet; USS Enterprise (NCC-1701-D) (TNG: "Encounter at Farpoint")
- Was offered (and declined) command of the USS Drake in favor of posting to the USS Enterprise (TNG: "Arsenal of Freedom")
- 2365: Offered (and declined) command of the USS Aries (TNG: "The Icarus Factor")
- 2366: Offered (and declined) command of the USS Melbourne (NCC-62043-A) (TNG: "The Best of Both Worlds, Part I")
- 2372: Commander, executive officer, Starfleet; USS Enterprise (NCC-1701-E) (Star Trek: First Contact)