The Nassau Mountains (Dutch: Nassaugebergte) is a mountain range in the Sipaliwini District of Suriname.

It is named after the House of Nassau.

The nearby village of Nason is named after the mountain range.

[1] In 2005, Guyanancistrus nassauensis, a new species of catfish, was discovered, and is endemic to the region.

[2] This Suriname location article is a stub.