Killik is a neighborhood in Alaçam District, in Samsun Province, Türkiye. Killik lies at 126 m above sea level, in the Küre mountains. It has 104 inhabitants. The nearest city is Bafra, 28 km to the east. Among the landmarks around are Alaçam Population Exchange Museum (2.6 km) and Altınkaya Dam (28 km).