Greatest Hits is a compilation album by the American group Sly and the Family Stone. It was first released on November 21, 1970, by Epic Records. The album includes all of the singles from the albums Dance to the Music (1968), Life (1968), and Stand! (1969). 
Three tracks released on singles in 1969 appear on album for the first time here: "Hot Fun in the Summertime", "Everybody Is a Star", and "Thank You (Falettinme Be Mice Elf Agin)".
Greatest Hits was certified quintuple platinum by the Recording Industry Association of America (RIAA), having shipped five million copies in the United States. In 2003, Rolling Stone magazine ranked the album number 60 on its list of the 500 greatest albums of all time, 61 in a 2012 revised list, and number 343 in the 2020 rankings.