Masjed Soleyman (Lurish:مس‌سلیموو, Mas-seleymoo,Persian: مسجدسليمان‎; also Romanized as Masjed Soleymān, Masjed-e Soleymān, Masjed Soleiman, and Masjid-i-Sulaiman) is a city in and the capital of Masjed Soleyman County, Khuzestan Province, Iran. At the 2006 census, its population was 206,121, in 51,530 families.