Rosemont is a community in Pennsylvania on the Pennsylvania Main Line lying partly in Radnor Township, Pennsylvania and partly in Lower Merion Township, Pennsylvania.

Part of the geographic area is served by the Bryn Mawr, Pennsylvania zip code. Rosemont is served by its own stops on both the R5 SEPTA Regional Rail line and the Norristown High Speed Line.

Rosemont College is located there, as is the community of Garrett Hill.

Pupils living in the Radnor Township portion of Rosemont attend schools in Radnor Township School District, while students in the Lower Merion Township portion attend schools in the Lower Merion School District.

Unincorporated communities in Pennsylvania | Delaware County, Pennsylvania | Montgomery County, Pennsylvania | Pennsylvania Main Line