Grou (Dutch: Grouw[1]) is a town in the province Friesland of the Netherlands and had around 5655 citizens in January 2017.

Heineken operated a distribution centre for Friesland in Grou for 25 years until 2004.

While the rest of the Netherlands celebrates Sinterklaas (Saint Nicholas) on December 5, Grou instead celebrates a unique local variation of this children's holiday known as Sint-Piter [fy] on February 21.

The Grou-Jirnsum railway station is on the Staatslijn A (Arnhem - Leeuwarden) line.

An artificial ice rink (Glice) invented by Eric Sinnema was opened for public use in 2007.