Shade Gap is a borough in Huntingdon County, Pennsylvania, United States.
U.S. Route 522 passes just east of the borough, leading north 16 miles (26 km) to Mount Union and south 12 miles (19 km) to Interstate 76 near Fort Littleton.
Pennsylvania Route 35 runs northeast along the base of Shade Mountain 37 miles (60 km) to Mifflin, and Pennsylvania Route 641 leads southeast over Tuscarora Mountain 9 miles (14 km) to Spring Run.
According to the U.S. Census Bureau, the borough of Shade Gap has a total area of 0.03 square miles (0.08 km2), all land.
There were 13.0% of families and 19.5% of the population living below the poverty line, including 20.0% of under eighteens and 10.7% of those over 64.