Around the globe, Калай (Kalai 
, Kalay 
, Kalaj 
) is a common gender-neutral forename. The first name Калай is characteristic of Qatar, where it is quite a rare largely masculine, but seldom feminine name, Singapore, where it is quite a rare unisex name, and United Arab Emirates, where it is quite a rare dominantly male, but seldom girly name. Measured by absolute frequency, this name is the most popular in India, Pakistan, and Saudi Arabia. Likewise, Калай is the last name as well as the forename.