Rijnwoude (Dutch pronunciation: [ˈrɛiɱˌʋʌudə] ⓘ) was a municipality in the western Netherlands, in the province of South Holland.

Rijnwoude was formed in 1991 as Rijneveld through the merger of the former municipalities of Benthuizen, Hazerswoude and Koudekerk aan den Rijn.

In 2014 the municipality was dissolved and its land area was amalgamated into Alphen aan den Rijn.

The municipality of Rijnwoude consisted of the communities Benthorn, Benthuizen, Hazerswoude-Dorp, Groenendijk, Hazerswoude-Rijndijk (location of town hall), Hogeveen, and Koudekerk aan den Rijn.

This South Holland location article is a stub.