Dagg is a surname. Notable people with the surname include:
Anne Innis Dagg (1933–2024), Canadian zoologist, feminist and author Archie Dagg (1899–1990), English shepherd, fiddler, piper and composer Israel Dagg (born 1988), New Zealand rugby union player James Dagg, New Zealand sailor Jamie M. Dagg, Canadian film director and writer John L. Dagg (1794–1884), American Baptist minister and theologian Lyall Dagg (1929–1975), Canadian curler Thomas Dagg, Australian rugby league footballer
Fictional character Fred Dagg
See also Daggs