Grimwood is a surname. Notable people with the surname include:
Alfred Grimwood (1905–1986), English cricketer Jane Grimwood, British microbiologist John Grimwood (1898–1977), English footballer Jon Courtenay Grimwood (born 1953), science fiction and fantasy author Keith Grimwood, member of the band Trout Fishing in America Ken Grimwood (1944–2003), American author Liam Grimwood, English archer Trevor Grimwood (born 1948), Australian footballer
Fictional characters DS Grimwood, a character in the soap opera EastEnders
See also Grimwood's longclaw, Congolese bird