Ommadawn is the third studio album by English musician, multi-instrumentalist and songwriter Mike Oldfield, released on 3 November 1975 on Virgin Records.

Michael Gordon Oldfield is an English musician, songwriter, and producer best known for his debut studio album Tubular Bells (1973), which became an unexpected critical and commercial success. Though primarily a guitarist, Oldfield plays a range of instruments, which includes keyboards and percussion, as well as vocals. He has adopted a range of musical styles throughout his career, including progressive rock, world, folk, classical, electronic, ambient, and new age music.