Sodom Schoolhouse is a historic octagonal school in West Chillisquaque Township, Northumberland County, Pennsylvania, United States reportedly built about 1812, 1835, or 1836 and used until 1915. It is located near the "small group of houses" formerly known as Sodom, which was about a mile east of Montandon, and about 3 miles east of Lewisburg on Pennsylvania Route 45.