Last name Hỷ (Hỷ 
) , around the globe, is a very rare family name. The last name Hỷ is habitual in South-eastern Asia, particularly Vietnam, where it is a rare surname. Also, Hỷ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hỷ | Vietnam |
| đới đăng hỷ Vietnamese amateur wrestler, VN (b. 1950) |
|