McLanahan, McClanahan or McLanachan is a surname. Notable people with the surname include:

Eugene McLanahan Wilson (1833–1890), Representative from Minnesota James Xavier McLanahan (1809–1861), Democratic member of the U.S. House of Representatives from Pennsylvania Patrick McLanahan, fictional aviator created by author Dale Brown Rue McClanahan (1934–2010), American actress, known for roles on television Sara McLanahan, American sociologist Tenant McLanahan (1820–1848), officer in the United States Navy during the Mexican–American War Ward McLanahan (1883–1974), American track and field athlete who competed in the 1904 Summer Olympics Willie McLanachan (born 1947), Scottish footballer , Clemson-class destroyer in the United States Navy , Benson-class destroyer in the United States Navy during World War II Kate McLanachan (born 1969) British Author

See also McLain (disambiguation) McLane (disambiguation) McLean (disambiguation)