The rivière aux Ormes (in English: Elm River) is a tributary of the east bank of the Petite rivière du Chêne which empties on the south bank of the St. Lawrence River.

The Rivière des Ormes flows through the municipalities of Villeroy (MRC L'Érable Regional County Municipality), Sainte-Françoise and Fortierville, in the Bécancour Regional County Municipality, in the administrative region of Centre-du-Québec, in Quebec, in Canada.

[1] From its head area, the "rivière aux Ormes" flows over 29.6 kilometres (18.4 mi) with a drop of 90 metres (300 ft), divided into the following segments: The Ormes river flows on the east bank of the Petite rivière du Chêne.

Its confluence is located at the limit between the municipalities of Fortierville and Parisville.

[1] The toponym “Rivière aux Ormes” was made official on December 5, 1968, at the Commission de toponymie du Québec.