Harold Lewis (1923–2011) was an American physicist.
Harold Lewis may also refer to: Harold Ralph Lewis (1931–2002), American physicist H. Craig Lewis (Harold Craig Lewis, 1944–2013), American politician from Pennsylvania H. Gregg Lewis (Harold Gregg Lewis, 1914–1992), American economist H. H. Lewis (Harold Harwell Lewis, 1901–1985), Communist American poet
See also Harry Lewis (disambiguation) Hal Lewis (disambiguation)