Mark Foster
Mark Foster may refer to:
- Mark Foster (swimmer) (born 1970), British swimmer
- Mark Foster (soccer) (born 1973), retired American soccer player
- Mark Foster (golfer) (born 1975), English golfer
- Mark Foster (rugby union) (born 1983), English rugby union player
- Mark Foster (musician) (born 1984), lead vocalist of Foster the People
- Mark D. Foster, polymer scientist
- MRK1 (Mark Foster), dubstep artist, formerly Mark One or Markone