Blok Mniejszości Narodowych (Polish pronunciation: [ˈblɔɡ mɲɛjˈʂɔɕtɕi narɔˈdɔvɨx], BMN; English: Bloc of National Minorities; Belarusian: Блёк нацыянальных меньшасьцяў, Bliok nacyjanałnych mieńšaściaŭ; Ukrainian: Блок національних меншин, Blok Natsional'nykh Menshyn; German: Block der Nationalen Minderheiten; Yiddish: בלאָק פון נאַשאַנאַל מינאָריטיעס, Blok fon Nashonal Minorities), was a political party in the Second Polish Republic, representing a coalition of various ethnic minorities in Poland, primarily Ukrainians, Belarusians, Jews and Germans.