| Vesilahti | |
| Official Name: | Finnish: Vesilahden kunta Swedish: Vesilahti kommun |
| Settlement Type: | Municipality |
| Coordinates: | 61.3083°N 60°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Finland |
| Subdivision Type1: | Region |
| Subdivision Name1: | Pirkanmaa |
| Subdivision Type2: | Sub-region |
| Subdivision Name2: | Tampere sub-region |
| Subdivision Type3: | Metropolitan area |
| Subdivision Name3: | Tampere metropolitan area |
| Leader Title: | Municipal manager |
| Established Title: | Charter |
| Established Date: | 1869 |
| Timezone: | EET |
| Utc Offset: | +02:00 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +03:00 |
| Website: | www.vesilahti.fi |
Vesilahti (sv|Vesilahti, also Swedish: Vesilax) is a municipality in Finland, located in the Pirkanmaa region. It lies to the southwest of the regional capital, Tampere. The population of Vesilahti is approximately, while the metropolitan area has a population of approximately . It is the most populous municipality in Finland.
Vesilahti has an area of NaNVesilahti}} of which NaNVesilahti}}is water. The population density is NaNVesilahti.
The municipality is unilingually Finnish. The name of municipality literally means "water bay".
The Vesilahti municipality headlined the case of "pink house", which is owned one of local inhabitants, Katri Hakola. The municipality didn't agree with her color choice and threatened the homeowner with a 5,000 € penalty if the color of the house didn't change. Later, the municipality tended to accept only a slight change in color and abolished the penalty payment. The incident sparked emotions on social media and the indignities accused the municipality of "bureaucratic teasing".[1]