Francis or Frank Foster may refer to:
Music Frank Foster (jazz musician) (1928–2011), American jazz saxophonist Frank Foster (country singer) (born 1982), American country singer-songwriter active since 2011
Politics Frank Foster (Michigan politician) (born 1986), member of the Michigan House of Representatives in 2011–2014 Frank Foster (Australian politician) (1872–1948) Francis Foster (Tasmanian politician) (1888–1979)
Sports Francis Foster (cricketer, born 1761) (1761–1847), English cricketer Francis Foster (cricketer, born 1848) (1848–1931), English cricketer Frank Foster (cricketer) (1889–1958), English cricketer Frank Foster (rugby league) (1940–2019), English rugby player and coach
Others Francis Foster (comic), British comedian Frank Hugh Foster (1851–1935), American clergyman of the Congregational church Frank Keyes Foster (1854–1909), American labor leader Frank William Foster (1887–1963), British Royal Air Force officer Frank Foster (Coronation Street), fictional character Frankie Foster, character in Foster's Home for Imaginary Friends
See also Frances Foster (1924–1997), American actress Francis M. Forster, physician and neurologist Foster (surname)