Cobia, Rachycentron canadum, is a species of fish.

Cobia may also refer to: Places Cobia, Dâmbovița, a commune in Dâmbovița County, Romania Cobia (river), a tributary of the Potop in Dâmbovița County, Romania Cobia Island, one of the Ringgold Isles in Fiji Other uses USS Cobia, a submarine