| Pixels: | 200 |
| Country: | Croatia |
| Confed: | UEFA |
| Founded: | 2014 |
| Teams: | 13 |
| Promotion: | Treća NL West |
| Relegation: | First League of Primorje-Gorski Kotar County |
| Levels: | 5 |
| Domest Cup: | Croatian Football Cup Croatian Super Cup |
| Champions: | NK Medulin 1921 |
| Season: | 2021–22 |
The Fourth Football League Rijeka or Četvrta nogometna liga Rijeka (Croatian), or simply 4. NL Rijeka, is a fifth tier league competition in the Croatian football league system. The league was formed in 2014, after two divisions of 3. HNL were merged into a new 3. HNL West, resulting in relegation of numerous clubs. The league covers clubs from Istria County, Primorje-Gorski Kotar County and Lika-Senj county.
| Club | City / Town | |
|---|---|---|
| NK Borac | Bakar | |
| NK Banjole | Banjole | |
| NK Draga | Mošćenička Draga | |
| NK Gospić '91 | Gospić | |
| NK Klana | Klana | |
| NK Kraljevica | Kraljevica | |
| NK Mladost | Fažana | |
| NK Naprijed Hreljin | Hreljin | |
| NK Novalja | Novalja | |
| NK Otočac | Otočac | |
| NK Rovinj | Rovinj | |
| NK Veli Vrh | Pula | |
| NK Velevit Žabica | Gospić |
| width=60 | Season | width=100 | Team |
|---|---|---|---|
| 2014–15 | Krk | ||
| 2015–16 | Jadran Poreč | ||
| 2016–17 | Pazinka | ||
| 2017–18 | Grobničan | ||
| 2018–19 | Grobničan | ||
| 2019–20 | cancelled | ||
| 2020–21 | Pomorac 1921 | ||
| 2021–22 | Medulin 1921 | ||