Cosmin Nasui is an independent organization based in Bucharest, Romania, that specializes in collecting and supporting modern and contemporary art and artists. With an extensive exhibition history that includes prominent venues such as the Venice Biennale, Manifesta St. Petersburg, and the Moscow Biennale of Contemporary Art, Nasui Collection has showcased its diverse collection in museums, galleries, cultural centers, and public spaces worldwide.

The collection emphasizes various art movements, including Historical Avant-garde, Jugendstil, Socialist Realism, Postmodernism, and Contemporary Romanian Art. In addition to its exhibitions, Nasui Collection offers a selection of publications, including books, catalogs, and brochures, that feature prominent exhibitions, artist portfolios, and comprehensive theoretical research. Formerly known as Nasui Gallery, the organization also acted as a cultural operator, promoting Eastern European contemporary artists and contributing to the sustainable growth of their market values.

The collection's artworks have been acquired by private collections