Headlam is a surname. Notable people with the surname include:

Arthur Headlam (1862–1947), English Anglican bishop Cecil Headlam (1872–1934), English cricketer and writer Cuthbert Headlam (1876–1964), British politician Edward Headlam (1873–1943), Royal Indian Marine officer Eustace Headlam (1892–1958), Australian cricketer Felix Headlam (1897–1965), Australian cricketer Frank Headlam (1914–1976), Royal Australian Air Force officer James Wycliffe Headlam (1863–1929), British historian John Headlam (1769–1854), English Anglican priest Stewart Headlam (1847–1924), English Anglican priest Thomas Emerson Headlam (1813–1875), English barrister and politician Walter Headlam (1866–1908), English poet and classical scholar Wayne Headlam (born 1948), Australian rules footballer

See also Headlam, Co. Durham, England