Ben Foster may refer to:

• Ben Foster (actor) (born 1980), American actor
• Ben Foster (footballer) (born 1983), English goalkeeper
• Ben Foster (composer) (born 1977), British composer, orchestrator and conductor
• Ben Foster (director) (born 1984), American director, editor, producer and composer
• Ben Weasel (born Ben Foster, 1968), American author and member of punk rock band Screeching Weasel