Opperman or Oppermann may refer to:

• Ashley Opperman (born 1983), South African footballer
• Chris Opperman (born 1978), American composer
• Daniel Opperman ("Rooi" Daniel, D.J.E.), Boer commander in Second Boer War
• D. J. Opperman (1914–1985), Afrikaans poet
• Dwight D. Opperman, American businessman
• Frank Opperman (South African actor) (born 1960), South African actor
• George Opperman (1935–1985), graphic artist
• Guy Opperman (born 1965), British politician
• Sir Hubert Opperman (1904–1996), Australian cycling champion, politician and diplomat
• Ian Opperman (born 1989), Namibian cricketer
• Ian James Oppermann, Australian engineer
• Jan Opperman (1939–1997), American racecar driver
• Kalmen Opperman (1919–2010), American clarinetist
• Rüdiger Oppermann (born 1954), German harpist
• Thomas Oppermann (1954–2020), German politician

• Opperman, Ohio

• Oppermann's conjecture

• Opperman, English tractor manufacturer
• Oppermann Automobiles, English car manufacturer

• South Dakota v. Opperman

• The Oppermanns, a 1933 novel by Lion Feuchtwanger

• All pages with titles containing "Opperman" or "Oppermann"