| Marstrup | |
| Settlement Type: | Town |
| Pushpin Map: | Denmark Region of Southern Denmark |
| Coordinates: | 55.2089°N 9.4419°W |
| Subdivision Type: | Country |
| Subdivision Name: | Denmark |
| Subdivision Type1: | Region |
| Subdivision Name1: | Southern Denmark (Syddanmark) |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Haderslev |
| Population Urban: | 790 |
| Population As Of: | 2024 |
| Population Density Urban Km2: | auto |
Marstrup is a town in southeastern Jutland in the Haderslev Municipality, in Region of Southern Denmark. As of 1 January 2024, it has a population of 790.[1]