Ōhata (大畑町, Ōhata-machi) was a town located in Shimokita District in northern Aomori Prefecture, Japan.

On 14 March 2005, Ōhata, along with the neighboring town of Kawauchi, and the village of Wakinosawa (all from Shimokita District), was merged into the neighboring and expanded city of Mutsu, and thus no longer exists as an independent municipality.

Located in northern Shimokita Peninsula facing Tsugaru Strait.

The town of Ōhata had an economy based primarily on commercial fishing, primarily squid, octopus, salmon and sea urchin.

[1] Ōhata was served by National Route 279, but had no railway service.