"Gil" can mean:
*Gil Island, one of several islands by that name
*Gil, a recurring character on "The Simpsons"
*Gil (Final Fantasy), the principal fictional currency in the Final Fantasy series
*Gil Hodges, former manager of the New York Mets (d. 1972)
*Gilberto Gil, singer and songwriter, Minister of Culture of Brazil
*A Cardassian military rank in the fictional Star Trek universe
*Gil Ofarim, a German pop singer
*Gilberto Alves, a Brazilian footballer.
*Gil Grissom, character on CSI Las Vegas, played by William Petersen
*Gil Melândia, Brazilian singer
*Gilbert Arenas, a basketball player for the Washington Wizards in the NBA.
*Gil is also an abbreviated form of the name Gilbert.
*"Star" in the Quenya language (invented by J.R.R. Tolkien)
*Gil (Hebrew: "גיל" — ''Gil'', "joy" or "age") is also a common Israeli name.
*Gil - Gimla'ey Yisrael LaKneset is a Israeli pensioners' party.
*José Augusto Seco Machado Gil Portuguese Psychiatrist (1953-1996)
*In the Python programming language, GIL stands for global interpreter lock.