| Official Name: | Vlaka |
| Native Name: | Влака |
| Settlement Type: | Village |
| Pushpin Map: | Bosnia and Herzegovina |
| Pushpin Label Position: | right |
| Subdivision Type: | Country |
| Subdivision Type1: | Entity |
| Subdivision Name1: | Federation of Bosnia and Herzegovina |
| Subdivision Type2: | Canton |
| Subdivision Name2: | Herzegovina-Neretva |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Ravno |
| Unit Pref: | Imperial |
| Area Total Km2: | 4.10 |
| Population As Of: | 2013 |
| Population Total: | 9 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Coordinates: | 42.7358°N 18.0997°W |
Vlaka (Serbian: Влака) is a village in the municipality of Ravno, Herzegovina-Neretva Canton, Federation of Bosnia and Herzegovina, Bosnia and Herzegovina.[1] Prior to the Bosnian war village belonged to the municipality Trebinje, which is now in the Republika Srpska.
Until the signing of the Dayton Peace Agreement, the village was part of the then municipality of Trebinje, which became part of the Republika Srpska.
According to the 2013 census, its population was 9, all Serbs.[2]