The Bridgton and Saco River Railroad (B&SR) was a 2 ft narrow gauge railroad that operated in the vicinity of Bridgton and Harrison, Maine. It connected with the Portland and Ogdensburg Railroad from Portland, Maine, to St. Johnsbury, Vermont, near the town of Hiram on the Saco River.

Bridgton is a town in Cumberland County, Maine, United States. The population was 5,418 at the 2020 census. A resort area in Maine's Lakes Region, Bridgton is home to Bridgton Academy, a private preparatory school, and the Four on the Fourth Road Race.