Ovidiopol Raion (Ukrainian: Овідіопольський район) was a raion (district) in Odesa Oblast of Ukraine. Its administrative center was the urban-type settlement of Ovidiopol. The raion was abolished and its territory was merged into Odesa Raion on 18 July 2020 as part of the administrative reform of Ukraine, which reduced the number of raions of Odesa Oblast to seven. The area of Ovidiopol Raion was split between Bilhorod-Dnistrovskyi and Odesa Raions. According to the 2001 census, the majority of the population of the Ovidiopol district was Ukrainian -speaking (69.64%), with a minority of Russian speakers (27.76%). The last estimate of the raion population was 77,278 (2015 est.).
At the time of disestablishment, the raion consisted of six hromadas:
