Tonaki, Okinawa

 is a village located in Shimajiri District, Okinawa Prefecture, Japan. The village consists of Tonaki Island and the uninhabited Irisuna Island.
As of 2013, the village has an estimated population of 406 and a density of 110 persons per km². The total area is . The highest point in Tonaki is on Tonaki Island at 
Tonaki is located approximately northwest of the prefectural capitol of Naha. The village is accessible by regular ferry service from Tomari Port in Naha.
Tonaki was once an active center of bonito fishing, but now the village economy is evenly divided between agriculture and fishing. Tonaki is in a long-term state of population decline.