Coordinates: 51°44′42″N 4°22′12″W / 51.745°N 4.370°W St Ishmael (Welsh: Llanismel or Llanishmael) is a community in Carmarthenshire, Wales. The community population taken at the 2011 census was 1,370. It comprises the village of Ferryside and the surrounding rural areas. It is named for the 6th-century Breton prince and Welsh saint Isfael.
An electoral ward in the same name exists. This ward stretches north from St. Ishmael with a total population of 2,674.