Sinoe may refer to: Greenville, Liberia, the capital of Sinoe County in southeastern Liberia Sinoe County, Liberia Sinoe, a village in the Mihai Viteazu commune, Constanța County, Romania the Sinoe Lake, a lagoon in Constanţa County the ancient Greek city of Histria (ancient city), located on the shore of the Sinoe Lake Sinoe (moth), a genus of moth in the family Gelechiidae Sinoe River Sinoe oil field