Ackermanville is a census-designated place located on PA Route 191 in Washington Township, Northampton County, Pennsylvania, United States. As of the 2022 American Community Survey, the village's population was 280. Ackermanville is part of the Lehigh Valley metropolitan area, which had a population of 861,899 and was the 68th-most populous metropolitan area in the U.S. as of the 2020 census. It was named for the Ackerman family.

Pennsylvania Route 191 is a 111.54 mi (179.51 km)-long state highway in the U.S. state of Pennsylvania. The route, a major non-freeway corridor connecting the Lehigh Valley to the Pocono Mountains in eastern Pennsylvania, is designated from U.S. Route 22 in Brodhead near Bethlehem to the New York state line over the Delaware River at Hancock, New York.