Preller is a surname. Notable people with the surname include:
Fred W. Preller (1902–1974), New York assemblyman
Friedrich Preller the Elder (1804–1878), German landscape painter
Friedrich Preller the Younger (1838–1903), German painter
Gustav Preller (1875–1943), South African journalist and historian
Johann Gottlieb Preller (1727–1786), German composer
Ludwig Preller (1809–1861), German philologist and antiquarian