| Lumijoki | |
| Official Name: | Finnish: Lumijoen kunta
Swedish: Lumijoki kommun |
| Settlement Type: | Municipality |
| Coordinates: | 64.8367°N 36.2°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Finland |
| Subdivision Type1: | Region |
| Subdivision Name1: | North Ostrobothnia |
| Subdivision Type2: | Sub-region |
| Subdivision Name2: | Oulu |
| Leader Title: | Municipal manager |
| Leader Name: | Paula Karsi-Ruokolainen |
| Established Title: | Charter |
| Established Date: | 1867 |
| Timezone: | EET |
| Utc Offset: | +02:00 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +03:00 |
| Website: | www.lumijoki.fi |
Lumijoki is a municipality of Finland.
It is located in the Northern Ostrobothnia region. The municipality has a population of and covers an area of NaNLumijoki}} ofwhich NaNLumijoki}}is water. The population density isNaNLumijoki.
Neighbouring municipalities are Hailuoto, Liminka, Oulu and Siikajoki.
The municipality is unilingually Finnish.[1]
Lumijoki literally means "snow river", most likely through Lumijärvi, the lake from which the river Lumijoki once began from. Toponyms with the word lumi usually refer to areas where the snow stays for longer than in nearby areas. The village was first mentioned in 1548, when it was a part of the Liminka parish. It gained chapel rights in 1640, eventually becoming an independent parish and municipality in 1867.[2]