Leonard Akaar
- Full Name: Leonard James Akaar
- Born: May 30, 2267; Capella IV (TOS: "Friday's Child")
- Species: Capellan
- Gender: Male
- Father: Akaar
- Mother: Eleen
- c.2272: Taken from Capella IV by mother following coup (TLE Novel: The Sundered)
- c.2280: Cadet, Starfleet Academy (TLE Novel: The Sundered)
- "Early teens" per text
- Possibly sponsored by Hikaru Sulu per text
- By 2295: Lieutenant, chief of security, Starfleet; USS Excelsior (TLE Novel: The Sundered)
- By 2345: Commander, executive officer, Starfleet; USS Wyoming (TTN Novel: The Red King)
- August 2349: Captain, commanding officer, Starfleet; USS Wyoming (TTN Novel: The Red King)
- "Weeks" since promoted in mid-October 2349 per text
- By April 2376: Fleet admiral, Starfleet (DS9 Novel: Mission Gamma: Twilight; TTN Novel: Taking Wing, The Red King)
- By January 2380: Starfleet liaison to the President (Novel: Articles of the Federation; Destiny Novel: Gods of Night, Lost Souls)
- February 2381: Fleet admiral, commander-in-chief, Starfleet; Starfleet Command Citations