| Thio | |
| Commune Status: | Commune |
| Province: | South Province |
| Map Size: | 270px |
| Adjustable Map: | Locator map of Thio 2018.png |
| Map Caption: | Location of the commune (in red) within New Caledonia |
| Insee: | 98829 |
| Postal Code: | 98829 |
| Mayor: | Jean-Patrick Toura[1] |
| Term: | 2020 - 2026 |
| Coordinates: | -21.62°N 166.22°W |
| Elevation M: | 10 |
| Elevation Min M: | 0 |
| Elevation Max M: | 1618 |
| Area Km2: | 997.6 |
| Population: | 2524 |
| Population Date: | 2019 census |
| Population Footnotes: | [2] |
| Ethnic: | Kanaks 76.58% Europeans 3.8% Wallisians and Futunans 3.45% Mixed 10.14% Other 6.02% |
| Ethnic Date: | 2019 census |
Thio (pronounced as /fr/) is a commune in the South Province of New Caledonia, an overseas territory of France in the Pacific Ocean.
A novel Aerial tramway built by Adolf Bleichert & Co. company in 1906 existed here at the start of the 20th century to facilitate loading ore ships offshore.
During the 2024 New Caledonia unrest, an alleged gunman was shot dead by French police in the village.[3]