Epp is a surname. Notable people with the surname include:
Claas Epp, Jr. (1838–1913), Russian Mennonite ministerErnie Epp (born 1941), Canadian historian and former politicianHerb Epp (1934–2013), Canadian politicianJake Epp (born 1939), Canadian executive and former politicianKen Epp (born 1939), Canadian politicianReuben Epp (1920-2009), Canadian author of works in Mennonite Low GermanRichard Epp (actor) (born 1948), Canadian playwright and actorRichard Epp (physicist), Canadian physicistRobert Epp (born 1926), translator of Japanese literature into EnglishTheodore Epp (1907–1985), American Christian clergyman, writer and radio evangelistFranz Ritter von Epp (1868–1946), German officer