| Biwer | |
| Settlement Type: | Commune |
| Mapsize: | 200px |
| Subdivision Type: | Country |
| Subdivision Name: |  Luxembourg |
| Subdivision Type1: | Canton |
| Subdivision Name1: | Grevenmacher |
| Leader Title: | Mayor |
| Unit Pref: | Metric |
| Area Rank: | of 100 |
| Elevation Max Rank: | of 100 |
| Elevation Min Rank: | of 100 |
| Population Rank: | of 100 |
| Population Density Km2: | auto |
| Population Density Rank: | of 100 |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Blank Name Sec1: | LAU 2 |
| Blank Info Sec1: | LU0001102 |
| Website: | biwer.lu |
Biwer is a commune and small town in eastern Luxembourg. It is part of the canton of Grevenmacher., the commune has a population of 1,926 inhabitants.
, the town of Biwer, which lies in the east of the commune, has a population of 862 inhabitants.[1] Other localities within the commune include, Boudler, Brouch, Hagelsdorf, Wecker, and Weydig.[2]