Yemeni unification took place on May 22, 1990, when the area of the People's Democratic Republic of Yemen (also known as South Yemen) was united with the Yemen Arab Republic (also known as North Yemen), forming the Republic of Yemen (known as simply Yemen).
Yemens forening fandt sted den 22. maj 1990, hvor den Demokratiske Folkerepublik Yemen (også kendt som Sydyemen) blev forenet med den Arabiske Republik Yemen (også kendt som Nordyemen) i Republikken Yemen (ofte blot Yemen).