| Type: | commune |
| County: | Ilfov |
| Population Total: | auto |
| Periș | |
| Leader Name: | Anghel Albu |
| Leader Party: | PNL |
| Leader Term: | 2020 - 2024 |
| Coordinates: | 44.6833°N 27°W |
| Elevation Min: | 105 |
| Elevation Max: | 137 |
| Area Total: | 77.97 |
| Postal Code: | 077150 |
Periș is a commune in the far northwestern corner of Ilfov County, Muntenia, Romania. The commune is composed of three villages: Bălteni, Buriaș and Periș. It used to include Brătulești and Cocioc villages, until these were absorbed by other villages in the commune. In Romanian, its name means "a place where pear trees grow".
Periș is situated on the border of the county with Dâmbovița and Prahova counties, north of the capital city, Bucharest. It lies on the right bank of the river Ialomița and on both sides of the river Vlăsia.
The surface area of the commune is, and its altitude ranges from above sea level.
It was the site of the Battle of Periș, on August 24, 1546, where Mircea the Shepherd, Voivode of Wallachia, launched a surprise attack on the boyars opposing his rule and greatly decimated them.