Амадей, Opera house in Spiridonovka Street, Moscow, Russia

Amadeus is a Moscow opera theatre founded in 1996 that has no stage of its own and performs at various venues, often since 2005 at the A. N. Tolstoy Memorial Museum-Apartment. Its repertoire focuses on opera in original languages and Russian translations, along with classical operetta and musical drama.

The theatre was created in Moscow in 1996, initially within the creative association "Antrepriza Moskovskogo soyuza muzykantov" from May to October 1996, and became an independent creative unit on 19 October 1996. It changed base several times: the Theatre-Studio on the Embankment (1996–1997), the Sheremetev Hospice House on Sukharevskaya Square (1997–1999) and the hall of the Russian State Library (1999–2000). Since 2005 it has often performed at the A. N. Tolstoy Memorial Apartment Museum.

The venue presents both classical operas and newer works, drawing opera enthusiasts from across the city. It plays a role in the active music scene that characterizes the neighborhood.

Check the current program before visiting, as shows change throughout the year. The location is accessible by public transportation, with several metro stations nearby in the area.

The company has no stage of its own and performs at borrowed venues; since 2005 it has often appeared in the A. N. Tolstoy Memorial Apartment Museum. Its staging of Menotti's "The Lie of Martin" earned four Golden Mask nominations in 2020.