Bahçeşehir Muhsin Ertuğrul Theatre

Bahçeşehir Muhsin Ertuğrul Theatre (Bahçeşehir Muhsin Ertuğrul Tiyatrosu) is a theatre venue located in Bahçeşehir quarter of Başakşehir district in Istanbul, Turkey. It is owned and operated by Başakşehir Municipality. The theatre is named in honor of the Turkish stage actor and director Muhsin Ertuğrul (1892–1979).

The theatre is situated in 2. Kısım neighborhood of Bahçeşehir, a satellite town of Istanbul. The theatre is built on an area of 1920 m2. The theatre's audience hall occupies 216 m2, and has a total seating capacity of 318, including 70 seats in a second level gallery that serves the theatre balcony.

The 145 m2 large stage has a clearance of 14 m. The stage is named after Haldun Dormen (born 1928), a Turkish actor and film director, who contributed much to the establishment of this theatre.