Otto (Atha) from the kindred Győr (Hungarian: Győr nembeli Ottó or Atha; died after 1066) was a Hungarian noble in the second half of the 11h century, who served as palatine (Latin: palatinus) in 1066, during the reign of Solomon, King of Hungary. He was the ancestor of the gens Győr, which flourished until the 17th century.