Andrei Viktorovich Monastyrski (born Sumnin; October 28, 1949, in Pechenga, Murmansk Oblast, USSR) is an author, poet, artist and art theorist, one of the leaders of the Moscow Conceptualist movement along with Ilya Kabakov.

In 1973, he made his first serial structures and minimalist audio compositions, before turning to poetic objects and actions in 1975.

One of the founding members of Collective Actions, he initiated most of the group’s projects and documented them in their Trips to the Countryside.

Andrei Monastyrski was among the core participants of the Apt Art movement and the Moscow-based Club of Avant-Garde Artists (CLAVA), and has taken part in many exhibitions in Russia and abroad.

Since 1980 Andrei Monastyrski has edited a number of volumes documenting Collective Actions’ Trips to the Countryside.

The 54th International Art Exhibition – la Biennale di Venezia, Russian Pavilion, Venice 2011 – Out of Town: Andrei Monastyrski & Collective Actions.