John Ham (pirate) (fl. 1699–1720), pirate and privateer in the Caribbean
John E. Hamm (1776–1864), American colonel, doctor and politician
John Hamm (1938–2026), Canadian physician and politician
Jon Hamm (born 1971), American actor, director and producer
Jonathan Hamm (born 1985), former amateur boxer, actor, football player and current mixed martial artist
Topics referred to by the same term
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