Dashwood is an English surname. Notable people with the surname include:
Charles Dashwood (Royal Navy officer)
Francis Dashwood, 11th Baron le Despencer (1708–1781), English rake and politician
Gemma Dashwood (born 1977), Australian Paralympic swimmer
George Dashwood (disambiguation), multiple people
Robert Dashwood (disambiguation), multiple people
Rosamund Dashwood (1924–2007), Canadian long-distance runner
Tenille Dashwood (born 1989), Australian professional wrestler
Thomas Dashwood (1876–1929), English cricketer
Fictional characters:
Elinor Dashwood, character in Jane Austen's novel Sense and Sensibility
Marianne Dashwood, character in Jane Austen's novel Sense and Sensibility
Mike Dashwood, character in The Bill, 1984-1992