Faisal Mosque (Urdu: فیصل مسجد‎) is the mosque in Islamabad, Pakistan. Located on the foothills of Margalla Hills in Islamabad, the mosque features a contemporary design consisting of eight sides of concrete shell and is inspired by a Bedouin tent. The mosque is a major tourist attraction, and is referred as a contemporary and influential feature of Islamic architecture.

Construction of the mosque began in 1976 after a $120 million grant from Saudi King Faisal, whose name the mosque bears. The unconventional design by Turkish architect Vedat Dalokay was selected after an international competition. Without a typical dome, the mosque is shaped like a Bedouin tent, surrounded by four 260 feet (79 m) tall minarets. The design features eight-sided shell shaped sloping roofs forming a triangular worship hall which can hold 10,000 worshippers, while the surrounding porticoes and the courtyard up-to 200,000 more.

Combined the structure cover an area of 54,000 square ft, the mosque dominates the landscape of Islamabad.It is situated at the north end of Faisal Avenue, putting it at the northernmost end of the city and at the foot of Margalla Hills, the westernmost foothills of the Himalayas. It is located on an elevated area of land against a picturesque backdrop of the national park. The largest mosque in Pakistan, the Faisal Mosque was the largest mosque in the world from 1986 until 1993, when it was overtaken by mosques in MENA region. Faisal Mosque is now the fourth largest mosque in terms of capacity.