The Hosseinieh Ershad or Hosseiniyeh Ershad (Persian: حسینیه ارشاد‎) is a non-traditionalist religious institute established by Nasser Minachi in Tehran, Iran. It was closed for a time by the Pahlavi government in 1972. The institute is housed in a large, domed hall, and is used for lectures on history, culture, society, and religion.