Gilham is a surname. Notable people with the surname include:
Cherri Gilham (born 1944), British comedy actress George Gilham (1899–1937), American baseball player Mark Gilham (born 1957), British punk guitarist and songwriter Stephen Gilham (born 1984), Australian rules football player Tony Gilham (born 1979), British auto racing driver William Gilham (1818–1872), American soldier, teacher, chemist, and author Emma Gilham Page (1854–1932), daughter of William Gilham and wife of William N. Page
See also Tony Gilham Racing, a British motor racing team Clarence C. Gilhams (1860–1912), American politician from Indiana Gilhams Lake, a lake on Willeo Creek in Atlanta, Georgia, United States