Penn Wynne is a census-designated place (CDP) in Montgomery County, Pennsylvania, United States.

[3] According to the United States Census Bureau, the CDP has a total area of 1.0 square mile (2.6 km2), all land.

Public parks provide additional green spaces as well as a variety of amenities for use by members of the community: The Penn Wynne Civic Association ("PWCA") is dedicated to serving Penn Wynne residents.

For example, in the past, the PWCA has opposed Lankenau Hospital's proposed access route through Manoa Road and has been active in promoting public safety in the Penn Wynne community.

When the parade ends, the PWCA hosts a Fourth of July celebration, where games are provided for children in the neighborhood, food is sold, and awards are given to community leaders.

It has been a popular destination of many Jews leaving the adjacent Philadelphia neighborhood of Overbrook Park.

Congregation Beth Hamedrosh, an Orthodox synagogue that had been situated in Overbrook Park since 1958, bought a property in Penn Wynne in 2000.

Rabbis spoke, as did former Lower Merion Township Commissioner Lance Rogers, US Representative Jim Gerlach, and Pennsylvania Assemblyman Daylin Leach.

The synagogue moved from its temporary location in Overbrook Park into the new site at 200 Haverford Road upon the completion of the building on May 31, 2007.

The sanctuary of the new building, now attached to the house originally on the property, was used for the inaugural Shabbat services of June 1–2.

A gala celebration event took place on Sunday, June 3, which featured the marching of Torah scrolls from the local Jewish Community Center along Haverford Road to the new site following speeches by rabbis, Commissioner Rogers, Assemblyman Leach, and the President of the synagogue, followed by food and dancing with live music in the sanctuary.

On June 5, 2010, Chabad of Penn Wynne began to hold Shabbat services at the Family Hall of the local Jewish Community Center.

The Jewish community on both sides of City Avenue, the border between Philadelphia and Montgomery County, are considered to be one unit and are connected by an eruv, a wire attached to the telephone and electric poles which allows religious Jews to carry things on Shabbat.