| En Name: | Vacha |
| Ru Name: | Вача |
| Map Label Position: | bottom |
| Federal Subject: | Nizhny Novgorod Oblast |
| Adm District Jur: | Vachsky District |
| Inhabloc Cat: | Urban-type settlement |
| Pop 2010Census: | 5987 |
| Date: | July 2020 |
Vacha (Russian: Ва́ча) is an urban locality (a work settlement) and the administrative center of Vachsky District of Nizhny Novgorod Oblast, Russia. Population:
It was founded in 1588. Urban-type settlement status was granted to it in 1938.