Maurice-Tréflé Custeau (March 10, 1916 – August 19, 1990) was a Canadian businessman and politician.
He was a Member of the provincial legislature and a city councillor in Montreal, Quebec, Canada.
He successfully ran as a Union Nationale candidate in the district of Montréal–Jeanne-Mance in 1956 and was re-elected in 1960.
He lost his bid for re-election in 1962 against Liberal candidate Aimé Brisson.
This article about a Member of the National Assembly of Quebec from the Union Nationale is a stub.