Wassamu (和寒町 Wassamu-chō) is a town located in Kamikawa (Teshio) District, Kamikawa, Hokkaidō, Japan.
As of 2007, the town has an estimated population of 4,164 and a density of 19.60 persons per km². The total area is 224.83 km².
The town flower is the Katakuri.
Wassamu has 6 schools, a middle school, a high school including the prefectural high school, a post office and a square.
It is linked with the Dōō Expressway at Interchange 12 which was first opened on October 4, 2000 and extended to Kembuchi-Shibetsu on October 4, 2003. Wassamu is also linked by train and Route 40 and prefectural routes/roads? 48 and 99.