Yemen, officially the Republic of Yemen (1990–present), is a country at the southern end of the Arabian Peninsula.
Yemen may also refer to:
- North Yemen
- Mutawakkilite Kingdom of Yemen (1918–1970)
- Yemen Arab Republic (1962–1990)
- South Yemen
- Aden Protectorate (1917–1963)
- Aden Colony (1937–1963)
- Federation of the Emirates of the South (1959–1963)
- Protectorate of South Arabia (1963–1967)
- Federation of South Arabia (1963–1967)
- People's Republic of South Yemen (1967–1970)
- People's Democratic Republic of Yemen (1970–1990)
- Greater Yemen
- Upper Yemen
- Lower Yemen