Sæby | |
|---|---|
Town | |
Sæby Church | |
| Coordinates: 57°19′46″N 10°31′56″E / 57.32944°N 10.53222°E | |
| Country | Denmark |
| Region | North Denmark (Nordjylland) |
| Municipality | Frederikshavn |
| Settled | 11th century |
| City status | 1524 |
| Area | |
| • Urban | 7.8 km2 (3.0 sq mi) |
| Population (2026-01-01) | |
| • Urban | 9,012 |
| • Urban density | 1,200/km2 (3,000/sq mi) |
| • Gender | 4,377 males and 4,635 females |
| Time zone | UTC+1 (CET) |
| • Summer (DST) | UTC+2 (CEST) |
| Postal code | 9300 |

Sæby (Danish pronunciation: [ˈseːˌpyˀ]) is a town and seaport located on the east coast of the historical region of Vendsyssel on the North Jutlandic Island in northern Denmark. The town is located in Frederikshavn municipality in Region Nordjylland. It has a population of 9,012 (1 January 2026). Sæby was granted market rights in 1524.
Until 2007 Sæby was the main town in Sæby municipality. Since 2007 part of Frederikshavn municipality.
