The Nonpartisan Bloc for Cooperation with the Government (Polish: Bezpartyjny Blok Współpracy z Rządem pronounced [bɛsparˈtɨjnɨ ˈblɔk fspuwˈpratsɨ z ˈʐondɛm]; abbreviated BBWR) was a non-political organization that existed in the Second Polish Republic from 1928 until 1935. It was closely affiliated with Józef Piłsudski and his Sanation movement.