Fountaine is a surname. Notable people with the surname include:
Andrew Fountaine (1918–1997), English far-right activist and politician Andrew Fountaine (art collector) (1676–1753), English antiquarian, art collector and amateur architect Charles Fountaine (1879–1946), British Royal Navy officer Jamal Fountaine (born 1971), American football player John Fountaine (1600–1671), English civil servant and tax resister Margaret Fountaine (1862–1940), English lepidopterist
See also Fountain (disambiguation) Fountaine-Pajot, a French shipbuilding company Fontaine (disambiguation) Fontaineece, a surname