Spiral is a studio album by the Greek electronic composer Vangelis, released in December 1977. It was the third album produced by Vangelis in Nemo Studios, London, which was his creative base until the late 1980s. For the track "To the Unknown Man" Vangelis received the Midem International Instrumental award in 1978.

Evangelos Odysseas Papathanassiou, known professionally as Vangelis, was a Greek keyboardist, composer, and producer of electronic, progressive, ambient, and classical orchestral music. He composed the Academy Award-winning score to Chariots of Fire (1981), as well as for the films Blade Runner (1982), Missing (1982), Antarctica (1983), The Bounty (1984), 1492: Conquest of Paradise (1992), and Alexander (2004), and the 1980 PBS documentary series Cosmos: A Personal Voyage by Carl Sagan.