Sheikh Sadi Khan (born 1950)[1] is a Bangladeshi composer and music director.

He took lessons as a violinist from his elder brother Ustad Bahadur Khan.

When the Liberation War of Bangladesh broke out in 1971, he migrated to Kolkata and worked for Swadhin Bangla Betar Kendra.

He continued playing the violin in films as well as composing music for Bangladesh Betar.

He was the music director of the film Ekhoni Somoy (1980), directed by Abdullah Al Mamun.