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
- By 2295: Lieutenant, chief of security, Starfleet; USS Excelsior (TLE Novel: The Sundered)
- By April 2376: Fleet admiral, Starfleet (DS9 Novel: Mission Gamma: Twilight; TTN Novel: The Red King)
- February 2381: Fleet admiral, commander-in-chief, Starfleet; Starfleet Command (TNG Novel: Losing the Peace, et al.)