First League
- Armenian First League
- Austrian Football First League
- Belarusian First League
- Czech First League
- Czechoslovak First League
- First Football League of Kosovo
- First League of Armed Neutrality
- First League of Belgrade
- First League of Herzeg-Bosnia
- First League of Primorje-Gorski Kotar County
- First League of Serbia and Montenegro
- First League of the Federation of Bosnia and Herzegovina
- First League of the Republika Srpska
- First Macedonian Football League
- First Professional Football League (Bulgaria)
- Montenegrin First League
- Russian First League
- Serbian First League
- Soviet First League
- TFF First League
- Ukrainian First League
- Uzbekistan First League
- Yugoslav First League