Provancher Creek (French: “Ruisseau Provancher”) is a tributary of the upper part of the Mégiscane River located to the west of Gouin Reservoir, flowing entirely into forest area in the town of La Tuque, in the administrative region of Mauricie, in Quebec, in Canada.

The surface of "Provancher Creek" is usually frozen from mid-November to late April, however, safe ice circulation is generally from early December to late March.

This mouth is at: From the mouth of the head lake, the course of the "Provancher Creek" flows entirely in the forest zone over 17.5 kilometres (10.9 mi) mainly in Provancher Township, according to the following segments: The mouth of the "Provancher Creek" merges with the "Rat Lake Water" which is crossed to the North by the Mégiscane River.

This mouth is located at: From the mouth of the Provancher Creek, the current flows over 144.95 kilometres (90.07 mi) to Gouin Dam, according to the following segments: From this dam, the current flows along the Saint-Maurice River to Trois-Rivières.

The terms "Provencher" and its derivative "Provancher" are family names of French origin.