Surname หนุ่มน้อย (หนุ่มน้อย, Numnoi 
, Jucksaoy ) , around the world, is a rare cognomen. The last name หนุ่มน้อย is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Jucksaoy, Numnoi, Younghnoo | Thailand |
Bauphaun, Numopchay, Numyoem, Yougsongnoen, Younckham, Young Man, Youngchoay, Youngleua, Youngman, Youngnoi, Youngnoy, and Youngseenakh