Whitmore is a surname. Notable people with the surname include:
Alfred Whitmore (1876–1946), English pathologist
Derek Whitmore (born 1984), American hockey player
Elias Whitmore (1772–1853), US congressman from New York
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
Colonel Sir Francis Whitmore (1872–1962), English soldier
James Whitmore (1921–2009), American actor
James Whitmore Jr. (born 1948), American actor
John Whitmore (surfer), South African surfing pioneer
Keith Bernard Whitmore, American Episcopalian bishop
Tamika Whitmore (born 1977), American basketball player
Theodore Whitmore (born 1972), a football midfielder from Jamaica.
