Mapai (Hebrew: מַפָּא“י, an acronym for מִפְלֶגֶת פּוֹעֲלֵי אֶרֶץ יִשְׂרָאֵל‎, Mifleget Poalei Eretz Yisrael, lit. „Workers‘ Party of the Land of Israel“) was a democratic socialist political party in Israel, and was the dominant force in Israeli politics until its merger into the modern-day Israeli Labor Party in 1968.