Opper

Opper may refer to:


 * Bernard Opper (1915–2000), American basketball player
 * Clarence V. Opper (1897–1964), United States Tax Court judge
 * Don Keith Opper (born 1949), American actor, writer, and producer
 * Frederick Burr Opper (1857–1937), American cartoonist
 * Niko Opper (born 1992), German footballer