| Fischbach | |
| Native Name: | Fëschbech |
| Native Name Lang: | lb |
| Settlement Type: | Commune |
| Mapsize: | 200px |
| Subdivision Type: | Country |
| Subdivision Name: |  Luxembourg |
| Subdivision Type1: | Canton |
| Subdivision Name1: | Mersch |
| 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: | LU0000404 |
| Website: | acfischbach.lu |
Fischbach (lb|Fëschbech in Luxembourgish; Letzeburgesch pronounced as /ˈfəʃbəɕ/) is a commune and village in central Luxembourg. It is part of the canton of Mersch, which is part of the district of Luxembourg.
, the village of Fischbach, which lies in the centre of the commune, had a population of 424.[1] Other towns within the commune include Angelsberg and Schoos. Fischbach is the site of Fischbach Castle, one of the private residences of the Grand Ducal family.