Foulkes, Ffoulkes or ffoulkes may refer to:
- Angela Foulkes (born 1948), English-born New Zealand trade unionist
- Annie Foulkes (1877–1962), Welsh writer and teacher of French
- Charles ffoulkes (1868–1947), British historian
- Edmund Ffoulkes (1819–1894), British clergyman
- Bill Foulkes (1932–2013), English footballer
- Billy Foulkes (1926–1979), Welsh footballer
- Brian Foulkes (b. 1957), South African cricketer
- Carly Foulkes (b. 1988), Canadian model
- Charles Foulkes (disambiguation), several people with the name
- Constance Jocelyn Ffoulkes (1858–1950), British art historian
- George Ernest Foulkes (1878–1960), American politician
- George Foulkes, Baron Foulkes of Cumnock (born 1942), Scottish politician
- Helena Foulkes (b. 1963), American executive
- John Foulkes (1861–1935), Australian politician
- Nick Foulkes (born c. 1963), British journalist
- Robert Foulkes (1634–1679), Church of England clergyman and murderer
- S. H. Foulkes (1898–1976), German-British psychiatrist and psychoanalyst