Harold Thompson may refer to: Harold E. Thompson (1921–2003), American helicopter aviation pioneer Harold H. Thompson (anarchist) (1942–2008), American anarchist, anti-Vietnam war activist, author, and prisoner advocate Harold H. Thompson (1908–?), carpenter, recipient of the Carnegie Medal for Heroism Harold Warris Thompson (1908–1983), English physical chemist, Chairman of the Football Association Prof Harold William Thompson (1891-1964), American folklorist and historian H. Keith Thompson (1922–2002), American corporate executive and far right figure