| Plasnica Municipality | |
| Native Name: | Општина Пласница |
| Other Name: | Plasnitsa Belediyesi |
| Native Name Lang: | mk |
| Settlement Type: | Municipality |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Southwestern |
| Blank Name Sec1: | Official language(s) |
| Blank Info Sec1: | Macedonian, Turkish |
| Seat Type: | Municipal seat |
| Seat: | Plasnica |
| Leader Title: | Mayor |
| Leader Name: | Ismail Jahoski (DUI) |
| Area Total Km2: | 54.44 |
| Population Total: | 4,222 |
| Timezone: | CET |
| Utc Offset: | +1 |
Plasnica (Macedonian: {{Audio|Mk-Plasnica.ogg|Пласница, Turkish: Plasnitsa) is a municipality in western North Macedonia. Plasnica is also the name of the village where the municipal seat is found. Plasnica Municipality is part of the Southwestern Statistical Region. It is particularly noteworthy in having a mostly ethnic Turkish population.
The municipality borders Makedonski Brod Municipality to the northeast, Kruševo Municipality to the southeast, Kičevo Municipality to the southwest, west and northwest.
According to the last national census from 2021, this municipality has 4,222 inhabitants.
| 2002 | 2021 | ||||
| Number | % | Number | % | ||
| TOTAL | 4,545 | 100 | 4,222 | 100 | |
| Turks | 4,446 | 97.8 | 4,101 | 97.13 | |
| Macedonians | 34 | 0.7 | 9 | 0.21 | |
| Albanians | / | / | 13 | 0.31 | |
| others | 65 | 1.4 | 2 | 0.05 | |
| Persons for whom data are taken from administrative sources | n/a | n/a | 97 | 2.3 | |