| Type: | commune |
| County: | Cluj |
| Population Total: | auto |
| Subdivisions: | Bărăi, Căianu, Căianu Mic, Căianu-Vamă, Vaida-Cămăraș, Văleni |
| Căianu | |
| Other Name: | Magyarkályán |
| Coordinates: | 46.7833°N 23.9167°W |
| Leader Name: | Daniel-Mugurel Crișan[1] |
| Leader Party: | PNL |
| Term: | 2020 - 2024 |
| Established Date: | 1326 |
| Area Total Km2: | 55.11 |
| Area Code: | +40 x64 |
Căianu (Hungarian: Magyarkályán; German: Klandorf) is a commune in Cluj County, Transylvania, Romania. It is composed of six villages: Bărăi (Báré), Căianu, Căianu Mic (Kiskályán), Căianu-Vamă (Kályánivám), Vaida-Cămăraș (Vajdakamarás) and Văleni (Lárgatanya).
According to the 2011 census, Romanians made up 58.1% of the population, Hungarians made up 36.3% and Roma made up 2.5%.[2]