| Official Name: | Zheleznik |
| Image Caption: | Zheleznik in 2021 |
| Native Name: | Железник |
| Settlement Type: | Village |
| Pushpin Label Position: | Location in Bulgaria |
| Subdivision Name: |  Bulgaria |
| Subdivision Type1: | Province |
| Subdivision Name1: | Kardzhali Province |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Chernoochene |
| Population As Of: | 31-12-2016 |
| Population Total: | 243 |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
Zheleznik is a village in Chernoochene Municipality, Kardzhali Province, southern Bulgaria.[1]
All inhabitants are ethnic Turks.