Parliamentary elections were held in Poland on 4 March 1928, with Senate elections held a week later on 11 March. The Nonpartisan Bloc for Cooperation with the Government, a coalition of the Sanation

Sanation was a Polish political movement that emerged in the interwar period, prior to Józef Piłsudski's May 1926 Coup d'État, and gained influence following the coup. In 1928, its political activists