Communist International may refer to:
Historical organizations
- First International (1864–1876), also known as the International Workingmen's Association
- Second International (1889–1916)
- 2½ International (1921–1923), also known as the Vienna International
- Third International (1919–1943), also known as the Comintern
- Fourth International (1938–1953)
- Cominform (1947–1956)