Fourth Republic
- 4K! – Fourth Republic!
- 4th Republic
- Fifth Republic (disambiguation)
- First Republic (disambiguation)
- Fourth Brazilian Republic
- Fourth Cambodian Republic
- Fourth Czechoslovak Republic
- Fourth Dominican Republic
- Fourth Nigerian Republic
- Fourth Philippine Republic
- Fourth Polish Republic
- Fourth Republic of Ghana
- Fourth Republic of Korea
- Fourth Republic of Madagascar
- Fourth Republic of Uganda
- Fourth Republic of Venezuela
- French Fourth Republic
- History of Niger
- Second Republic (disambiguation)
- Seventh Republic
- Sixth Republic (disambiguation)
- Third Republic (disambiguation)