| Aijen | |
| Settlement Type: | Hamlet |
| Native Name Lang: | nl |
| Pushpin Map: | Netherlands#Netherlands Limburg |
| Pushpin Label Position: | left |
| Pushpin Mapsize: | 250 |
| Pushpin Map Caption: | Location in the Netherlands##Location in the province of Limburg in the Netherlands |
| Subdivision Type: | Country |
| Subdivision Name: | Netherlands |
| Subdivision Type1: | Province |
| Subdivision Name1: | Limburg |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Bergen, Limburg |
| Elevation Footnotes: | [1] |
| Elevation M: | 14 |
| Area Total Km2: | 2.63 |
| Population Footnotes: | [2] |
| Population Total: | 2,370 |
| Population As Of: | 2021 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 5854 |
| Area Code Type: | Dialing code |
| Area Code: | 0485 |
| Coordinates: | 51.5833°N 8°W |
Aijen (in Dutch; Flemish pronounced as /ˈaːi.ə(n)/; Limburgan; Limburger; Limburgish: Äöje in Limburgan; Limburger; Limburgish pronounced as /ˈœːjə/) is a hamlet in the municipality of Bergen in the province of Limburg, the Netherlands.
The village was first mentioned in 1336 as Oyen, and means "land on a stream".[3] Aijen was home to 257 people in 1840.[4]
Between 1533 until 1965, there was a pedestrian ferry across the Maas to . Aijen does not have a church, but has a chapel from the 16th or 17th century, and it was the religious building in the municipality of Bergen which survived undamaged.[4]