Pearn is a surname. Notable people with this surname include:
Cole Pearn (born 1982), Canadian driver Inez Pearn (1913–1976), British novelist Jon Pearn, English house music producer Kris Pearn, Canadian animation director Mark Pearn (born 1977), English field hockey player Nancy Pearn, founder of Pearn, Pollinger & Higham Perry Pearn (born 1951), Canadian ice hockey coach
As a given name Pearn P. Niiler (1937–2010), American oceanographer