Eppler is a surname. Notable people with the surname include:
Billy Eppler (born 1975), American baseball executive Dieter Eppler (1927–2008), German television actor and director of radio dramas Erhard Eppler (1926–2019), German politician Johannes Eppler (1914–1999), German World War II spy Martin J. Eppler (born 1971), Swiss communication and management scholar Shelton Eppler (born 1998), American football player Tyler Eppler (born 1993), American professional baseball pitcher