Gil Aldema (Hebrew: גיל אלדמע) (born 1928) is an Israeli composer and conductor.
Aldema was born in Giv'atayim in Mandate Palestine on September 17, 1928. He graduated from the Jerusalem Academy of Music and Mannes College of Music in New York.
Aldema taught music at Hadassim youth village. Later he worked as a program producer and arranger for the Israel Broadcasting Authority. He composed and arranged songs for folk-ensembles and choirs.
In 2004, Aldema was awarded the Israel Prize, for Hebrew song.