Sager is a surname. Notable people with the surname include:
Bobby Sager, entrepreneur turned philanthropist, and inspiration for The Philanthropist television seriesCarole Bayer Sager (born 1947), American lyricist, songwriter, and singerCraig Sager (1951–2016), American broadcasterDirk Sager (1940–2014), German journalistFranklin Sager (born 1973), American leaderGareth Sager (born 1960), British musicianLawrence G. Sager (born 1941), American university deanPony Sager (1848–1928), American baseball playerRabeh Sager (born 1964), Arabic singerRuth Sager, (1918–1997), American geneticistSidney Sager (1917–2002), British composer and musicianSager orphans, seven orphans on a trek to Oregon in 1844