Didier Marouani (born in 1953 in Monaco) is a French composer and musician.

Didier started his career as a pop singer and made his first single, "Je Suis Ton Chevalier" with Etienne Roda-Gil as lyricist in 1975. He followed this by touring with Johnny Hallyday, Claude François and Joe Dassin. In 1977, he formed the band Space and composed all the songs on these albums under the pseudonym Ecama. The title track from the first album, "Magic Fly" reached number 2 on the U.K. Singles Chart and was used as the Main Theme of the original Chinese version of Jackie Chan's 1978 film Snake in the Eagle's Shadow (蛇形刁手). This was followed by the albums "Deliverance" (1977), "Just Blue" (1978) and "Deeper Zone" (1980). Later, he participated in another electronic venture "Paris-France-Transit" (1982). In 1983, Didier & Space went to the USSR to give 21 concerts for 600.000 people. In 1992, Didier was able to obtain the necessary authorization for a concert in Red Square, some 360,000 spectators attended this free concert.