The canton of Ustaritz-Vallées de Nive et Nivelle (before 2015: canton of Ustaritz) is a canton of France, in the Pyrénées-Atlantiques department.

Its chief town is Ustaritz.

At the French canton reorganisation which came into effect in March 2015, the canton was renamed and received the following 9 communes:[2] In 1790, Saint-Pée-sur-Nivelle was the chief town of a canton composed of the communes of Ahetze and Saint-Pée-sur-Nivelle, and part of the district of Ustaritz.

[3] At the time, the canton of Ustaritz consisted of the communes of Arbonne, Arcangues, Jatxou, Ustaritz and Villefranque.

Before 2015, the canton of Ustaritz consisted of the communes Ahetze, Arbonne, Arcangues, Bassussarry, Halsou, Jatxou, Larressore, Saint-Pée-sur-Nivelle and Ustaritz.