Stephenville-Port au Port is a provincial electoral district in Newfoundland and Labrador, Canada, which is represented by one member in the Newfoundland and Labrador House of Assembly. It was contested for the first time in the 2015 provincial election.
The district encompasses the town of Stephenville and the Port au Port Peninsula.
The district is represented by PC leader and Premier Tony Wakeham.
The district has elected the following members of the House of Assembly: