Family name Досай (Dosai 
, Досай 
, Dosay 
) , around the globe, is quite a rare cognomen. The surname Досай is characteristic of Japan, where it is quite a rare surname, Hungary, where it is a rare surname, and Kazakhstan. In absolute terms, this name is the most popular in Japan, India, and Hungary. Very seldom, Досай is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dosai | Japan, Malaysia, Singapore, Hungary, India |
| Досай | Azerbaijan, Kyrgyzstan, Kazakhstan |
| Dosay | Turkey, Hungary, United States, India, Myanmar |