| Sønderby | |
| Type: | Railway halt |
| Address: | Bjergbyvej 3 Tornby 9850 Hirtshals |
| Country: | Denmark |
| Coordinates: | 57.5253°N 9.9511°W |
| Map Type: | Denmark |
| Mapframe: | yes |
| Mapframe-Zoom: | 14 |
| Line: | Hirtshals Line |
| Platform: | 1 |
| Tracks: | 1 |
| Opened: | 1928 |
| Closed: | 2019 |
Sønderby railway halt (Danish: Sønderby Trinbræt) is a former railway halt serving the southern part of the village of Tornby in Vendsyssel, Denmark. The halt was located on the Hirtshals Line between Hirtshals and Hjørring.
The halt was opened in 1928, 3 years after the railway line opened. It was closed in 2019.