2017–18 First League of the Federation of Bosnia and Herzegovina
The 2017–18 First League of the Federation of Bosnia and Herzegovina was the twenty-third season of the First League of the Federation of Bosnia and Herzegovina, the second tier football league of Bosnia and Herzegovina, since its original establishment and the eighteenth as a unified federation-wide league. It began on 5 August 2017 and ended on 2 June 2018. GOŠK Gabela were the last champions, having won their second championship title in the 2016–17 season and earning a promotion to Premier League of Bosnia and Herzegovina.
Teams
| Team | Location | Stadium | Capacity |
| Bosna | Visoko | Luke Stadium, Visoko | 5,200 |
| Bratstvo | Gračanica | Gradski Stadion Luke, Gračanica | 3,000 |
| Čapljina | Čapljina | Bjelave Stadium | 3,000 |
| Iskra | Bugojno | Jaklić Stadium | 11,000 |
| Igman | Konjic | Gradski Stadion, Konjic | 5,000 |
| Jedinstvo | Bihać | Pod Borićima Stadium | 7,500 |
| Metalleghe-BSI | Jajce | Mračaj Stadium | 3,000 |
| Olimpik | Sarajevo | Otoka Stadium | 3,000 |
| Orašje | Orašje | Gradski Stadion, Orašje | 4,000 |
| Rudar | Kakanj | FK Rudar Stadium | 4,568 |
| Slaven | Živinice | Gradski Stadion, Živinice | 500 |
| Sloga | Simin Han | Stadion Sloge | 3,000 |
| TOŠK | Tešanj | Luke Stadium, Tešanj | 7,000 |
| Travnik | Travnik | Pirota Stadium | 3,200 |
| Velež | Mostar | Stadion Rođeni | 5,200 |
| Zvijezda | Gradačac | Banja Ilidža | 8,000 |