2018–19 First League of the Federation of Bosnia and Herzegovina
The 2018–19 First League of the Federation of Bosnia and Herzegovina was the 24th season of the First League of the Federation of Bosnia and Herzegovina, the second tier league football in Bosnia and Herzegovina, since its original establishment and the 19th as a unified federation-wide league. It began on 11 August 2018 and got concluded on 2 June 2019.
Tuzla City, at that time still known as Sloga Simin Han, were the last champions, having won their first championship title in the 2017–18 season and earning a promotion to the 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 |
| Goražde | Goražde | Midhat Drljević Stadium | 1,500 |
| Igman | Konjic | Gradski Stadion, Konjic | 5,000 |
| Jedinstvo | Bihać | Pod Borićima Stadium | 7,500 |
| Metalleghe-BSI | Jajce | Mračaj Stadium | 3,000 |
| Novi Travnik | Novi Travnik | Gradski Stadion, Novi Travnik | 1,000 |
| 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 |
| TOŠK | Tešanj | Luke Stadium, Tešanj | 7,000 |
| Velež | Mostar | Stadion Rođeni | 5,200 |
| Vitez | Vitez | Gradski Stadium | 3,000 |
| Zvijezda | Gradačac | Banja Ilidža | 8,000 |