| Type: | commune |
| County: | Cluj |
| Mihai Viteazu | |
| Other Name: | Szentmihály |
| Subdivisions: | Cheia, Cornești, Mihai Viteazu |
| Leader Name: | Ioan Zeng[1] |
| Leader Party: | UDMR |
| Term: | 2020 - 2024 |
| Coordinates: | 46.5414°N 23.7472°W |
| Elevation: | 331 |
| Area Total: | 47.53 |
| Population Total: | auto |
| Postal Code: | 407405 |
| Area Code: | +40 x64 |
Mihai Viteazu (archaic: Sânmihaiu; Hungarian: Szentmihály; German: Michelsdorf) is a commune in Cluj County, Transylvania, Romania. It is composed of three villages: Cheia (Mészkő), Cornești (Sinfalva), and Mihai Viteazu.
Mihai Viteazu village, which is named after the medieval ruler Michael the Brave (Romanian: Mihai Viteazu), was founded in 1925 by the merging of two villages, Sânmihaiu de Jos (Alsószentmihály) and Sânmihaiu de Sus (Felsőszentmihály). Those two, together with Cornești and Cheia, were first mentioned in documents in the 14th century, after the settlement of Székelys in the Aranyos Seat area. However, archaeologists unearthed traces of human dwellings from earlier periods, too.
The commune covers an area of 47.53sqkm and has 5,423 inhabitants. The most interesting sight of the area is the Turda Gorge (Cheile Turzii).
At the 2002 census, 71.2% of the commune's inhabitants were Romanians, 27.4% Hungarians and 1.3% Roma. 66.6% were Romanian Orthodox, 13.8% Unitarian, 10.1% Reformed, 4% Roman Catholic, 2.4% belonged to another religion, and 0.9% Pentecostal.[2]