Ratzinger is a German surname. Notable people with the surname include:
Pope Benedict XVI, born Joseph Aloisius RatzingerGeorg Ratzinger, a Catholic priest, musician, conductor, and brother of Pope Benedict XVIGeorg Ratzinger (politician), a Catholic priest, author, politician, and great-uncle of Georg Ratzinger and Pope Benedict XVIJoseph Ratzinger, Sr., the father of Georg Ratzinger and Pope Benedict XVIWumpscut, born Rudolf 'Rudy' Ratzinger