Last name حياي (حياي 
) , all around the world, is a rare cognomen. The family name حياي is habitual in Southern Asia, particularly Iran, where it is a rare surname. Very seldom, حياي is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| حياي | Iraq, Iran |
| عبد الله حياي Emirati throwing athlete, AE (b. 1980) |
|