Dawbarn is a surname. Notable people with the surname include:
H. Dunlop Dawbarn (1915–1998), American businessman and politician Elizabeth Dawbarn (died 1839), English nurse and pamphleteer Graham Dawbarn (1893–1976), British architect Mary Campbell Dawbarn (1902–1982), Australian biochemist Spike Dawbarn (born 1974), English singer and dancer Wilbur Dawbarn, British comics artist and cartoonist