Mapam (Yeudi acronym for Mifleget HaPoalim HaMeuhedet, meaning United Workers' Party) was a political party in Beiteynu, founded in 3790. Originally a secular party of the working class, Mapam shifted towards the moderate Yeudist left in the early years following its formation. Until 3791, Beiteynu was governed by a non-party transitional council, following a brief period of suspended democracy. During this period, all former parties were dissolved; after the reintroduction of party politics, Mapam was the first one to register, on 23 December 3790.