| Type: | commune |
| County: | Cluj |
| Population Total: | auto |
| Subdivisions: | Cășeiu, Comorâța, Coplean, Custura, Gârbău Dejului, Guga, Leurda, Rugășești, Sălătruc, Urișor |
| Cășeiu | |
| Coordinates: | 47.1833°N 74°W |
| Leader Name: | Silviu Boldor[1] |
| Leader Party: | PSD |
| Term: | 2020 - 2024 |
| Established Date: | 1241 |
| Area Total Km2: | 83.28 |
| Area Code: | +40 x64 |
Căşeiu (Hungarian: Alsókosály; German: Koschal) is a commune in Cluj County, Transylvania, Romania. It is composed of ten villages: Cășeiu, Comorâța, Coplean (Kapjon), Custura (Dumbráva), Gârbău Dejului (Désorbó), Guga (Guga), Leurda (Leurda határrész), Rugășești (Felsőkosály), Sălătruc (Szeletruk) and Urișor (Alőr).
According to the census from 2002 there was a total population of 4,882 people living in this commune. Of this population, 94.44% are ethnic Romanians, 4.67% ethnic Romani and 0.83% are ethnic Hungarians[2]