Rieger and de Reiger are surnames. Notable people with the surname include:Bernhard Rieger, German Prelate of the Roman Catholic Church Durhane Wong-Rieger, Canadian physician František Ladislav Rieger, Czech politician and leader of nationalist movement Fritz Rieger, German conductor James E. Rieger, American lawyer and US Army officer Janusz Rieger, Polish linguist Joerg Rieger, American professor Jürgen Rieger, German lawyer and Holocaust denier Ladislav Svante Rieger, Czech mathematician Max Rieger, German alpine skier Nicole Rieger, German pole-vaulter Sabine Günther née Rieger, East German athlete Silvia Rieger, German athlete
