Leamon is a surname and a masculine given name. Notable people with the name include:
Surname David L. Leamon (1939–2018), American librarian Fred Leamon (1919–1981), American football player John Leamon (1804–1866), English-born Canadian merchant and politician
Given name Leamon Green (born 1959), American visual artist Leamon Hall (born 1955), American football player Leamon Hunt (1927–1984), American diplomat Leamon Johnson (1916–death date unknown), American baseball player Leamon King (1936–2001), American athlete