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Look up tetralogy in Wiktionary, the free dictionary.
A tetralogy is a set of four dramatic or literary works.
Tetralogy may also refer to:
- Ingo tetralogy, a series of children's novels by author Helen Dunmore.
- Ware Tetralogy, a series of science fiction novels by author Rudy Rucker
- Tetralogy (album), an album by trombonist Paul Rutherford
- Tetralogy of Fallot, a congenital heart defect