| Mynämäki | |
| Official Name: | Finnish: Mynämäen kunta Swedish: Virmo kommun |
| Other Name: | Virmo |
| Settlement Type: | Municipality |
| Coordinates: | 60.6833°N 80°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Finland |
| Subdivision Type1: | Region |
| Subdivision Name1: | Southwest Finland |
| Subdivision Type2: | Sub-region |
| Subdivision Name2: | Turku sub-region |
| Leader Title: | Municipal manager |
| Leader Name: | Carita Maisila |
| Established Title: | Re-established |
| Established Date: | 2007 |
| Blank3 Name: | Climate |
| Blank3 Info: | Dfb |
| Timezone: | EET |
| Utc Offset: | +02:00 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +03:00 |
| Website: | www.mynamaki.fi |
Mynämäki (in Finnish pronounced as /ˈmynæˌmæki/; Swedish: Virmo) is a municipality of Finland located in the Southwest Finland region. Neighbouring municipalities are Aura, Eura, Laitila, Masku, Nousiainen, Pöytyä, Rusko, Taivassalo, Turku and Vehmaa.
The municipality has a population of and covers an area of NaNMynämäki}} of which NaNMynämäki}} is water. The population density is NaNMynämäki. The municipality is unilingually Finnish.
The municipality of Karjala was consolidated with Mynämäki in 1977. The municipality of Mietoinen was consolidated with Mynämäki in 2007.