Gaustad is a surname. Notable people with the surname include:
Dutch Gaustad (1889–1945), American football player Edwin Gaustad (1923–2011), American historian Gaustad, American musician John Anders Gaustad (born 1980), Norwegian cross-country skier Paul Gaustad (born 1982), American ice hockey player Randi Gaustad (born 1942), Norwegian curator and art historian
See also Gaustad, neighbourhood of Oslo Gustad, surname