Whitmore is a surname. Notable people with the surname include:
Alex Whitmore (born 1995), English footballer Alfred Whitmore (1876–1946), English pathologist Cam Whitmore (born 2004), American basketball player Derek Whitmore (born 1984), American hockey player Ed Whitmore, British screenwriter Elias Whitmore (1772–1853), US congressman from New York Ellen Whitmore (1828–1861), American educator and missionary Charles Algernon Whitmore (1851–1908), British Conservative Member of Parliament (MP) for Chelsea 1886–1906 Frank C. Whitmore (1887–1947), American chemist Frances Whitmore (1666–1695), English aristocrat Francis Whitmore (1872–1962), English soldier James Whitmore (1921–2009), American actor James Whitmore Jr. (born 1948), American actor Joan S. Whitmore (1922–2002), South African hydrologist specialising in agriculture and water John Whitmore (surfer) (1929–2001), South African surfing pioneer Keith Bernard Whitmore, American Episcopalian bishop Kelsie Whitmore (born 1998), American baseball player Laura Whitmore (born 1985), Irish TV presenter Lady Lucy Whitmore (1792–1840), English noblewoman, hymnwriter Mary Whitmore (1884–1974), first woman to be Mayor of Ipswich, Suffolk, England Tamika Whitmore (born 1977), American basketball player Theodore Whitmore (born 1972), Jamaican footballer William Wolryche-Whitmore (1787–1858), British MP remembered for introducing South Australia Colonisation Act
See also Hugh Whitemore (born 1936), English playwright and screenwriter Michael Witmore (born 1967), American Shakespeare scholar Whittemore (surname)