| Colmar-Berg | |
| Native Name: | Colmer-Bierg |
| 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: | LU0000401 |
| Website: | colmar-berg.lu |
Colmar-Berg (lb|Colmer-Bierg, de|Colmar-Berg) is a commune and town in central Luxembourg, in the canton of Mersch. It is situated at the confluence of the rivers Attert and Alzette.
Colmar-Berg is the site of the Grand Duke of Luxembourg's principal residence, Berg Castle. It is also the site of a Goodyear tyre factory.
The commune was known as simply "Berg" until 25 March 1991.[1]
The "Centre de Formation pour Conducteurs" (French for "Drivers' Training Centre") is also in Colmar-Berg. Every person has to make an "Obligatory Course" after they got their driving license in order for it to become a definitive license. This has to be done in the timespan after three months and before two years after the person passed their practical driving test.