Constantine (, meaning church enclosure of St Constantine) is a village and civil parish in Cornwall, England, United Kingdom. It is situated approximately five miles (8 km) west-southwest of Falmouth. The electoral ward also bears the same name but includes Budock Water and the surrounding area. The population at the 2011 census was 4,709 in the ward whereas the civil parish had a population 1,789 only The parish of Constantine is bounded by the parishes of Mabe, Mawnan, Gweek, Wendron and the north bank of the Helford River.