Masjid Omar is a mosque in Upper Darby Township, Pennsylvania. It is associated with AMITY, Advocates of the Merits of Islam for Today's Youth, and describes its mission as implementing the teachings of Islam according to the Qur'an and Ahlus-Sunnah wal-Jama'ah. The mosque hosts religious announcements, visiting scholars, and community educational programs, including a summer children's Dawrah.