The Hans Herr House, also known as the Christian Herr House, is a historic home located in West Lampeter Township, Lancaster County, Pennsylvania. It was built in 1719, and is a 1+1⁄2-story, rectangular sandstone Germanic dwelling. It measures 37 feet, 9 inches, by 30 feet, 10 inches. It is the oldest dwelling in Lancaster County and the oldest Mennonite meetinghouse in America.

West Lampeter Township is a township that is located in central Lancaster County, Pennsylvania, United States. The population was 17,365 at the time of the 2020 census.