الحزب الاشتراكي اليمني
The Yemeni Socialist Party (, "al-Hizb al-Ishtiraki al-Yamani", YSP) is a political party in Yemen. A successor of Yemen's National Liberation Front, it was the ruling party in South Yemen until Yemeni unification in 1990. Originally Marxist–Leninist, the party has gradually evolved into a social democratic opposition party in today's unified Yemen.