Intercourse is an unincorporated community and census-designated place (CDP) in Leacock Township, Lancaster County, in the U.S. state of Pennsylvania, 10 miles (16 km) east of Lancaster on Pennsylvania Route 340. As of the 2020 census, the population was 1,494, up from 1,274 at the previous census.

Pennsylvania Route 340 (PA 340) is a 30-mile-long (48 km) state highway located in Lancaster and Chester counties in Pennsylvania. The western terminus is at PA 462 in Lancaster. The eastern terminus is at U.S. Route 30 Business in Thorndale. The route is a two-lane road passing through rural areas, heading through the Pennsylvania Dutch Country in eastern Lancaster County that is home to several Amish families and rural areas in western Chester County, serving the communities of Bird-in-Hand, Intercourse, White Horse, Compass, and Wagontown. PA 340 intersects US 30 near Lancaster, PA 772 in Intercourse, PA 897 in White Horse, PA 10 in Compass, PA 82 near Coatesville, and US 30 again near Thorndale.