Kelson may refer to:
Surname George Kelson (1835–1920), English amateur cricketer and sport angler John Joseph Kelson Jr. (1922–2012), known professionally as Jackie Kelso, American jazz musician Mark Kelson (b. 1976), Australian musician William Henry Kelson (1862–1940), English physician and writer
Given name Kelson Pinto (b. 1976), Brazilian professional boxer
Places Kelson, New Zealand, a suburb of Lower Hutt in Wellington, New Zealand
Other A variant term for the keelson, a reinforcing structural member on top of the keel in the hull of a vessel