Memanbetsu (女満別町, Memanbetsu-chō) was a town located in Abashiri District, Abashiri Subprefecture (now Okhotsk Subprefecture), Hokkaido, Japan. As of 2004, the town had an estimated population of 5,925 and a population density of 37.26 persons per km². The total area was 159.02 km². On March 31, 2006, Memanbetsu was merged with the village of Higashimokoto (also from Abashiri District) to create the new town of Ōzora. Memanbetsu's name was derived from the Ainu "Memanpet" meaning "River with a spring"