Logan Square is a neighborhood in Philadelphia, Pennsylvania, United States.

Originally called Northwest Square, it was renamed in honor of James Logan, an 18th-century mayor of Philadelphia.

[1] Other notable Logan Square sites include the Academy of Natural Sciences, the Barnes Foundation, the Franklin Institute, the Moore College of Art and Design, the Parkway Central Library, the Pennsylvania Horticultural Society, the Philadelphia Mormon Temple, Matthias Baldwin Park, and the main campus of the Community College of Philadelphia.

Penn Center, Franklintown, and much of Philadelphia's central business district are located in Logan Square.

Residents are in the Albert M. Greenfield School catchment area for grades Kindergarten through eight;[2] all persons assigned to Greenfield are zoned to Benjamin Franklin High School.