Jo(h)n Ham(m) may refer to:
*John Ham, MP for
New Shoreham in 1433
*John Ham, co-founder of
Ustream
*
John E. Hamm (1776–1864), American colonel, doctor and politician
*
John Hamm (born 1938), Canadian physician and politician
*
Jon Hamm (born 1971), American actor, director and producer
*
Jonathan Hamm
Jonathan Hamm (born October 14, 1985) is a former standout amateur boxer, actor, football player, and current mixed martial artist. Hamm was the #1 Super-Heavyweight Amateur boxer in the United States in 2011 after winning the 2011 U.S. National ...
(born 1985), former amateur boxer, actor, football player and current mixed martial artist
{{hndis, Ham, John