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- (Gampaha District) Wirasurikanda
- (Gampaha District) Wirangula
- (Gampaha District) Wilwatta
- (Colombo District) Willorawatta
- (Gampaha District) Wilimbula
- (Kalutara District) Wilegoda
- (Kalutara District) Wilegoda
- (Gampaha District) Wigoda
- (Gampaha District) Widiyawatta
- (Kalutara District) Widiyagoda
- (Kalutara District) Widagama
- (Kalutara District) Weyangalla
- (Kalutara District) Wewita
- (Colombo District) Wawelpanawa
- (Gampaha District) Wewelduwa
- (Gampaha District) Weweldeniya Pahalagama
- (Gampaha District) Weweldeniya Ihalagama
- (Gampaha District) Wewelgare
- (Gampaha District) Wewala
- (Colombo District) Wewala
- (Kalutara District) Wewala West
- (Gampaha District) Wewagedara
- (Colombo District) Wetara
- (Kalutara District) Werawatta
- (Colombo District) Weralupitiya
- (Gampaha District) Weralugampola
- (Gampaha District) Werahera
- (Colombo District) Werahera
- (Gampaha District) Weragoda
- (Colombo District) Waragoda