| Official Name: | Tunadal |
| Pushpin Map: | Sweden Västernorrland#Sweden |
| Subdivision Type: | Country |
| Subdivision Name: | Sweden |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Sundsvall Municipality |
| Subdivision Type2: | County |
| Subdivision Name2: | Västernorrland County |
| Subdivision Type1: | Province |
| Subdivision Name1: | Medelpad |
| Area Footnotes: | [1] |
| Area Total Km2: | 1.77 |
| Population As Of: | 31 December 2010 |
| Population Total: | 360 |
| Population Density Km2: | 203 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Coordinates: | 62.4167°N 40°W |
| Blank Name: | Climate |
| Blank Info: | Dfc |
Tunadal (pronounced as /sv/)[2] is a locality situated in Sundsvall Municipality, Västernorrland County, Sweden with 360 inhabitants in 2010.
Steam powered saw mills were introduced in Sweden in 1849 at Tunadal. Twenty more steam powered saw mills were started in the decade. These sawmills were usually placed near ports and the former water powered saw mills were closed.[3]