Mactaquac may refer to:
Mactaquac Dam, a hydro-electric power generating facility on the St. John River in New Brunswick, Canada Mactaquac Provincial Park, a park located on the dam's headpond Mactaquac, New Brunswick, unincorporated community in the Fredericton area Mactaquac (electoral district), a riding which elects members to the Legislative Assembly of New Brunswick Tobique–Mactaquac, a riding which elects members to the Canadian House of Commons