Montgomeryville is a census-designated place (CDP) in Montgomery Township, Montgomery County, Pennsylvania, United States. The population was 12,624 at the 2010 census. According to a 2010 Forbes magazine/Yahoo.com survey, Montgomeryville ranks 5th in America's top 10 affordable suburbs. It is part of the North Penn Valley region that is centered on the borough of Lansdale.

Montgomery Township is a township in Montgomery County, Pennsylvania. It is the location of the Montgomery Mall, a regional shopping mall serving the Route 309 corridor of the Philadelphia suburbs. Much of Montgomery Township's development is suburban in character, with newer tract houses and strip shopping centers. Homes in Montgomery Township have North Wales and Lansdale addresses, but businesses that are located within the township boundaries are given the Montgomeryville ZIP Code. The township is in the North Penn School District and is part of the North Penn Valley region that is centered around the borough of Lansdale.