| Tahuna | |
| Pushpin Map: | Indonesia_Sulawesi#Indonesia |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 310 |
| Pushpin Map Caption: | Location in North Sulawesi and Indonesia |
| Subdivision Type: | Country |
| Subdivision Name: |  Indonesia |
| Subdivision Type1: | Province |
| Subdivision Name1: | North Sulawesi |
| Subdivision Type2: | Regency |
| Subdivision Name2: | Sangihe Islands Regency |
| Unit Pref: | Imperial |
| Population As Of: | 2020 Census |
| Population Note: | [1] |
| Population Total: | 35307 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Timezone: | Indonesia Central Standard Time |
| Utc Offset: | +8 |
| Coordinates: | 3.6119°N 125.5008°W |
| Elevation M: | 12 |
Tahuna is a town and the capital of Sangihe Islands Regency in North Sulawesi province, Indonesia. It stretches across the administrative districts (kecamatan) of Tahuna, Tahuna Timur and Tahuna Barat, with a combined population of 35,307 at the 2020 Census.[2]
Tahuna has a tropical rainforest climate (Af) with heavy to very heavy rainfall year-round.