Benham is an Anglo-Scottish locational surname, from Benham, Berkshire, or Binham, Norfolk. Notable people with the surname include:
Alfred Ernest Yonge Benham (1888–1962), Australian bass singer
Andrew E. K. Benham (1832–1905), American admiral
Charles Benham (1860–1929), author, newspaper editor and amateur scientist
Chris Benham (born 1983), English cricketer
Edward Benham (died 1869) printer and editor of Essex County Standard
Ellen Ida Benham (1871–1917) science teacher in South Australia.
Flip Benham (born 1948), American Christian fundamentalist
Gertrude Benham (1867–1938), English mountaineer, traveller and collector
Henry Washington Benham, 19th-century American soldier
Isabel Benham (1909–2013), American railroad finance expert
Jade Benham, Australian politician
Jane Benham Hay (1829–1904), English artist
Jessica Benham (born 1990), American politician and disability rights activist
Joan Benham (1918–1981), English actress
Hervey Benham (1910–1987); son of Sir William, editor and author on marine topics
Jane Benham (c. 1943–1992), daughter of Hervey, boat restorer
Matthew Benham (born 1968), British businessman, owner of Brentford FC
Robert Benham (judge), Georgia Supreme Court Judge
Captain Robert Benham, American pioneer, member of First Ohio Legislature
William Benham (priest) (1831–1910), English churchman and writer
William Blaxland Benham (1860–1950), New Zealand zoologist and biologist
William Gurney Benham (1859–1944), English newspaper editor