| Alajõe | |
| Settlement Type: | Village |
| Pushpin Map: | Estonia |
| Pushpin Label Position: | top |
| Pushpin Map Caption: | Location in Estonia |
| Subdivision Type: | Country |
| Subdivision Name: |  Estonia |
| Subdivision Type1: | County |
| Subdivision Name1: | Ida-Viru County |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Alutaguse Parish |
| Established Title: | First mentioned |
| Established Date: | 1583 |
| Population Total: | 147 |
| Population As Of: | 2000 |
Alajõe (Russian: Олешница, Oleshnitsa) is a village in Ida-Viru County, in northeastern Estonia.[1] It is located on the northern shore of Lake Peipus. Alajõe is the administrative centre of Alutaguse Parish. In 2000 the village had a population of 147.
Alajõe was first mentioned in 1583.[2]