| Official Name: | Paiján |
| Pushpin Map: | Peru |
| Pushpin Label Position: | left |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | La Libertad |
| Subdivision Type2: | Province |
| Subdivision Name2: | Ascope |
| Subdivision Type3: | District |
| Subdivision Name3: | Paiján |
| Leader Title: | Mayor |
| Leader Name: | Daniel Alva Iglesias |
| Settlement Type: | Town |
| Timezone: | PET |
| Utc Offset: | -5 |
| Coordinates: | -7.7312°N -79.3039°W |
| Postal Code Type: | UBIGEO |
| Postal Code: | 130205[1] |
Paiján is a town in Northern Peru, capital of the district of Paiján of Ascope Province in the region La Libertad. This town is located beside the Pan-American Highway some 54 km north of Trujillo city in the agricultural Chicama Valley.