Michael Foster may refer to:
Michael Foster (academic), assistant professor of folklore
Michael Foster (author) (born 1973), Australian writer of science fiction and fantasy
Michael Foster (cricketer, born 1972), English cricketer
Michael Foster (cricketer, born 1973), Australian cricketer
Michael Foster (cricketer, born 1979), former English cricketer
Michael Foster (English judge) (1689–1763)
Michael Foster (musician) (born 1964), drummer of the rock band FireHouse
Michael Foster (Ontario politician), former municipal politician in Toronto, Ontario, Canada
Michael Foster (philosopher) (1903–1959), tutor in philosophy at Oxford University
Michael Foster (physiologist) (1836–1907), British physiologist and Member of Parliament (MP)
Michael Foster (writer) (1904–1956), American cartoonist and novelist
Mike Foster (activist), American activist, co-founder with Craig Gross of XXXchurch.com, non-profit Christian website that aims to help those who struggle with pornography and targets porn industry performers and consumers
Mike Foster (footballer) (born 1939), English footballer
Michael Foster (footballer) (born 1985), Papua New Guinean midfielder
Michael G. Foster (born 1940), founder of Yoshukai International karate
Michael Foster (Hastings and Rye MP) (born 1946), British politician, former MP for Hastings and Rye
Michael Foster (Worcester MP) (Michael John Foster, born 1963), British politician, former MP for Worcester
Michael John Foster (Scouting) (born 1952), British Scout Leader & Anglican Priest