Don Monahan is a Canadian politician, who was elected to the Legislative Assembly of New Brunswick in the 2024 election for the Progressive Conservative Party of New Brunswick. He was elected in the riding of Arcadia-Butternut Valley-Maple Hills.
Monahan is originally from Petitcodiac, New Brunswick. He previously served on the city council of Mascouche, Quebec. He is fluent in both English and French.
Monahan is currently a candidate for leader of the Progressive Conservatives in the 2026 leadership election.