Third Force
- 3rd Force
- Chinese Peasants' and Workers' Democratic Party
- John T. Downey
- Richard Fecteau
- Third Force (France)
- Third Force (Georgia)
- Third Force (Hong Kong)
- Third Force (Iran)
- Third Force (Myanmar)
- Third Force (Northern Ireland)
- Third Force (South Africa)
- Third Force (Ukraine)
- Third force (1996 Russian presidential election)
- Third party (United States)
- Third party (politics)
- Thomas Chapin
- Two-party system