Family name Jaii (Jaii 
, ใจ๋) , around the globe, is a rare cognomen. The last name Jaii is habitual in Hong Kong, where it is quite a rare surname, Taiwan, where it is a rare surname, and Morocco, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in Taiwan, Hong Kong, and Myanmar. Also, Jaii is the forename as well as the last name.