Peter Foster (born 1962) is an Australian conman and convicted criminal.
Peter Foster may also refer to:
- Peter Foster (Australian rules footballer) (born 1960), former Australian rules footballer
- Peter Foster (canoeist) (born 1960), Australian Olympic flatwater canoeist
- Peter Foster (cricketer) (1916–1994), English cricketer
- Peter Foster (journalist), correspondent for The Daily Telegraph and The Sunday Telegraph and Financial Times
- Peter Foster (judge), former English High Court judge
- Peter Foster (politician), member of the Western Australian Legislative Council
- Peter Foster (rugby league), rugby league footballer of the 1950s for Great Britain and Leigh
- Peter Foster (international development) (born 1966) Canadian communications specialist with the United Nations, Alliance for Financial Inclusion (AFI) and Pacific Community (SPC)