The Kaw-Roura Marshland Nature Reserve (French: Réserve naturelle nationale des marais de Kaw-Roura) is a nature reserve in French Guiana, France.

The marshland is fed by the Kaw River, the Approuague and the Angélique Creek.

[6] The Kaw-Roura Marshland has been designated as a Ramsar site since 1993,[3] and a nature reserve since 1998.

[5] The Kaw-Roura Marshland Nature Reserve is home to more than half of the protected species of French Guiana, and includes the black caiman, manatees, the giant otter, the jaguar, and the matamata turtle.

[3] Birds found in the reserve include the agami heron, the great egret, the cock-of-the-rock, and the crested eagle.