Tremblay () may refer to:
Places Canada Tremblay, New Brunswick Tremblay, Quebec, a former township municipality, now part of Saguenay Tremblay River, a tributary of the rivière aux Anglais in Rivière-aux-Outardes, Quebec Tremblay Sound, Nunavut
France Tremblay, Ille-et-Vilaine, Ille-et-Vilaine department Le Tremblay, Maine-et-Loire department Tremblay-en-France, Seine-Saint-Denis department Tremblay-les-Villages, Eure-et-Loir department Le Tremblay-Omonville, Eure department Le Tremblay-sur-Mauldre, Yvelines department Tremblay Park, an urban park in the commune of Champigny-sur-Marne (a part of Paris)
Other uses Tremblay (surname) Tremblay v Daigle, Canadian court case over abortion Tremblay Commission, or Royal Commission of Inquiry on Constitutional Problems, a Quebec government report on Canada's constitution Tremblay station, an O-Train station in Ottawa, Ontario, Canada
See also Trembley, a surname