Two Nations theory
- Austro-Hungarian Compromise of 1867
- Biculturalism
- Binational solution
- China
- Deux nations
- Dualism (disambiguation)
- Hyphen War
- Multinational state
- One Country on Each Side
- One-China policy
- Parallel state
- Republic of China
- Taiwan
- Taksim (politics)
- The two Spains
- Two Chinas
- Two Solitudes (Canadian society)
- Two nations theory (Ireland)
- Two-Nation Theory
- Two-state (disambiguation)
- Two-state solution
- Two-state solution (Cyprus)
- Two-state solution (disambiguation)