Ónodi , Ónody or Onodi is a Hungarian surname. It may refer to:

Ónodi (1857–1919), Hungarian otorhinolaryngologist and surgeon Eszter Ónodi (born 1973), Hungarian film and theater actress (born 1979), Hungarian actor Henrietta Ónodi (born 1974), Hungarian artistic gymnast Ónodi Sándor born 1985, Hungarian Double Bass player and violin maker.

Ónody Andor Ónody (1920–1986), Hungarian footballer József Ónody (1882–1957), Hungarian freestyle swimmer

Onodi Heidemaria Onodi (born 1957), Austrian politician