Provancher may refer to:
Léon Abel Provancher (1820–1892), a Canadian Catholic parish priest and naturalist Léon-Provancher Ecological Reserve, a protected area in Bécancour, Quebec, Canada Provancher Creek, a tributary of the Mégiscane River in La Tuque, Mauricie, Quebec, Canada
See also Provencher Provenchère (disambiguation)