| Official Name: | Vahagni |
| Native Name: | Վահագնի |
| Pushpin Map: | Armenia |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Name: | Armenia |
| Subdivision Type1: | Marz (Province) |
| Subdivision Name1: | Lori Province |
| Population As Of: | 2008 |
| Population Total: | 1286 |
| Timezone: | |
| Utc Offset: | +4 |
| Timezone Dst: | |
| Utc Offset Dst: | +5 |
| Coordinates: | 40.9081°N 44.6069°W |
Vahagni (hy|Վահագնի, also romanized as Vaagni; formerly, Шагали [Shagali]) is a village in the Lori Province of Armenia.
In 2015 some programs started to be implemented in Vahagni by Children of Armenia Fund.
Women Health Screenings, Support for Reproductive Health were implemented in the village by COAF.[1] In September 2021 the first international Youth Exchange took place in the village of Vahagni, the project was promoted by the European Community through the Erasmus+ funds. Italy, Armenia, Georgia, Denmark and Ukraine participated in the exchange.