Cosmos is an album by jazz saxophonist Lou Donaldson recorded for the Blue Note label featuring Donaldson with Ed Williams, Leon Spencer, Melvin Sparks, Jerry Jemmott, Idris Muhammad, and Ray Armando, with vocals by Mildred Brown, Rosalyn Brown, and Naomi Thomas, arranged by Jimmy Briggs. The album was awarded 1 star in an Allmusic review.