| Settlement Type: | Town |
| Dianalund | |
| Pushpin Map: | Denmark#Denmark Region Zealand |
| Pushpin Map Caption: | Location in Denmark |
| Coordinates: | 55.5272°N 11.4981°W |
| Subdivision Type: | Country |
| Subdivision Name: | Denmark |
| Subdivision Type1: | Region |
| Subdivision Name1: | Region Zealand |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Sorø Municipality |
| Area Urban Km2: | 2.5 |
| Population As Of: | 2024 |
| Population Urban: | 4093 |
| Population Density Urban Km2: | auto |
| Population Blank1 Title: | Gender [1] |
| Population Blank1: | 1978 males and 2115 females |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | DK-4293 Dianalund |
Dianalund is a railway town on the west central part of the island of Zealand, Denmark. It has a population of 4,093 (1 January 2024),[2] making it the second largest town in Sorø Municipality.
Dianalund was the municipal seat of the former Dianalund Municipality, until 1 January 2007.
Kolonien Filadelfia, the only epilepsy hospital in Denmark, is located in the town.[3]
Dianalund is served by Dianalund railway station, located on the Tølløse railway line.