Ilia
- Full Name: Ilia
- Species: Deltan
- Gender: Female
- Father: Kham'lia
- Student, Nehru University (TOS Novel: Ex Machina)
- By September 2273: Lieutenant, alpha shift navigator, Starfleet; USS Enterprise (Star Trek: The Motion Picture)
- September 30, 2273: Dematerialization and later reincorporation by V'Ger (Star Trek: The Motion Picture)
- Ascension: September 30, 2273; V'Ger (Star Trek: The Motion Picture)
- Became a portion of the gestalt being known as the Voyager (Star Trek: The Motion Picture; TOS Novel: Ex Machina; TNG Novel: The Buried Age)