| Native Name: | Рибник |
| Official Name: | Ribnik |
| Settlement Type: | Municipality |
| Subdivision Type: | Country |
| Subdivision Type1: | Entity |
| Subdivision Type3: | Geographical region |
| Subdivision Name3: | Bosanska Krajina |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Population As Of: | 2013 census |
| Area Total Km2: | 511.1 |
| Population Total: | 6048 |
| Population Density Km2: | auto |
| Area Code: | 50 |
| Leader Title: | Municipal mayor |
| Leader Name: | Nebojša Karać |
| Leader Party: | SNSD |
| Image Map1: | Ribnik-naselja.PNG |
Ribnik (Serbian: Рибник) is a municipality in Republika Srpska, Bosnia and Herzegovina. It is situated in the southern part of the Bosanska Krajina region. As of 2013, it has a population of 6,048 inhabitants. Seat of the municipality is the village of Gornji Ribnik.
Ribnik, briefly known as Srpski Ključ (Српски Кључ), was created from part of the pre-war municipality of Ključ (the other part of the pre-war municipality is now in the Federation of Bosnia and Herzegovina).
It is located between municipalities of Oštra Luka in the north, Banja Luka and Mrkonjić Grad in the east, Glamoč in the south, and Istočni Drvar, Bosanski Petrovac, and Ključ in the west.
According to the 2013 census results, the municipality of Ribnik has 6,048 inhabitants. The majority of its population are ethnic Serbs.
| Population of settlements – Ribnik municipality | ||||
|---|---|---|---|---|
| Settlement | 1991. | 2013. | ||
| Total | 6,048 | |||
| 1 | Čađavica | 561 | 401 | |
| 2 | Donja Previja | 386 | 404 | |
| 3 | Donji Ribnik | 465 | 395 | |
| 4 | Donji Vrbljani | 896 | 385 | |
| 5 | Gornje Ratkovo | 220 | ||
| 6 | Gornji Ribnik | 696 | 674 | |
| 7 | Gornji Vrbljani | 755 | 436 | |
| 8 | Rastoka | 778 | 700 | |
| 9 | Velijašnica | 288 | 210 | |
| 10 | Zableće | 481 | 567 | |
| Ethnic composition – Ribnik municipality | |||||||
|---|---|---|---|---|---|---|---|
| 2013. | |||||||
| Total | 6,048 (100,0%) | ||||||
| Serbs | 6,018 (99,50%) | ||||||
| Others | 19 (0,314%) | ||||||
| Croats | 11 (0,182%) | ||||||
There are three elementary and one high school in the municipality.[1]