Kasım is a neighborhood in Cide District, in Kastamonu Province, Türkiye. Kasım lies at 226 m above sea level, in the Küre mountains. The nearest city is Bartın, 64 km to the west. Beaches nearby: Gebeş (9.7 km). Among the landmarks around are Cytorus (14.6 km), Cromna (26 km) and Climax (4.7 km). Among the natural features are Dağlı Kuylucu Cave (10.8 km).

Also written Kasımköy.