The Shenley River (in French: rivière Shenley) is a tributary of the west bank of the Chaudière River at Saint-Martin which flows northward to empty on the shore south of the St. Lawrence River.

It flows in the municipalities of Saint-Honoré-de-Shenley and Saint-Martin, in the Beauce-Sartigan Regional County Municipality, in the administrative region of Chaudière-Appalaches, in Quebec, in Canada.

The main neighboring watersheds of the Shenley River are: The Shenley River originates from several tributaries that drain the area south of Vaseux Lake, northeast of the village of Saint-Honoré-de-Shenley.

Its source is located 3.6 kilometres (2.2 mi) northeast of the center of the village of Saint-Honoré-de-Shenley 2.5 kilometres (1.6 mi) north of route 269 and south of the center of the village of Saint-Benoît-Labre.

The toponym "Shenley River" was formalized on December 5, 1968 at the Commission de toponymie du Québec.