Valkeakoski (lit. white rapids) is a small city and municipality in Finland.

Valkeakoski is located 35 kilometres (22 mi) south of Tampere and 150 km (93 mi) north of Helsinki in the Pirkanmaa region.

The municipality is unilingually Finnish.

Valkeakoski is best known for its paper industry and domestically highly successful football team, FC Haka.

The town and the paper industry have both grown by the Valkeakoski rapids between the lake Mallasvesi in the north and the lake Vanajavesi in the south.