The Simon Attias Synagogue is a former Jewish synagogue, located in Essaouira, formerly known as Mogador, in Marrakesh-Safi, Morocco. It is also known as the Bet Ha-Knesset Simon Attias, M'sod Attias and Shaarei T'filah. The synagogue was built in 1882. The former synagogue has been incorporated as part of Bayt Dakira, a Jewish museum.