Last name Калей (Kalei 
, Kalej 
, Калей 
) , in the entire world, is quite a rare cognomen. The surname Калей is habitual in Albania, where it is quite a rare surname, Angola, and Kenya. Not in comparison with a country's population, it is commonest in Kenya, Angola, and India. Also, Калей is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kalei | Kenya, Tanzania, United States, India, Angola |
| Kalej | United States, India, Albania, Iran |
| Калей | Kazakhstan, Belarus, Ukraine, Kyrgyzstan, Russia |
| калей, анастасия Belarusian biathlete, BY (b. 1992) |
|