Alaçam is a town and district of Samsun Province, Turkey.

Alaçam means "variegated pine" in Turkish. It may refer to:

Alaçam, Mut, a village in Mut district of Mersin Province Alaçam, the brand of bottled water marketed by Nestlé Waters in Turkey Alaçam, Dursunbey Alaçam, Kestel