Republic of Crimea or Crimean Republic, may refer to:

Crimean People's Republic, a short-lived secular Muslim state (December 1917–January 1918)
Taurida Soviet Socialist Republic (1918)
Crimean Regional Government (1918–1919)
Crimean Socialist Soviet Republic (1919)
Crimean Autonomous Soviet Socialist Republic (1921–1945), within the Russian SFSR, in the Soviet Union; see Crimea in the Soviet Union
Crimean Autonomous Soviet Socialist Republic (1991–1992), within the Ukrainian SSR, in the Soviet Union
Republic of Crimea (1992–1995), the government of Crimea after the dissolution of the Soviet Union
Autonomous Republic of Crimea (1995–present), the autonomous republic of Ukraine
Republic of Crimea (2014–present), a claimed federal subject of Russia

See also