| Type: | commune |
| County: | Covasna |
| Official Name: | Mereni |
| Other Name: | Kézdialmás |
| Leader Name: | István Molnár[1] |
| Leader Party: | UDMR |
| Term: | 2020 - 2024 |
| Coordinates: | 46.0833°N 40°W |
| Elevation: | 607 |
| Area Total: | 51.96 |
| Population Total: | auto |
| Postal Code: | 527112 |
| Area Code: | (+40) 02 67 |
Mereni (Hungarian: Kézdialmás, Hungarian pronunciation: NaNk) is a commune in Covasna County, Transylvania, Romania composed of two villages: Lutoasa (Csomortán) and Mereni.
The commune has an absolute Székely Hungarian majority. According to the 2011 census, it had a population of 1,324, of which 96.68% were Hungarians and 1.36% Romanians. At to the 2021 census, Mereni had a population of 1,268, of which 95.98% were Hungarians and 1.5% Romanians.[2]