Last name ชยางกูล (Chayangkul 
, Chayangkool 
, ชยางกูล ) , worldwide, is a very rare family name. The surname ชยางกูล is habitual in Thailand, where it is a very rare surname, Canada, and the United States, where it is an extremely rare surname. More frequently, ชยางกูล is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chayangkul | Canada, Thailand |
| Chayangkool | United States, Thailand |
| ชยางกูล, Chayungkool | Thailand |
พูลภิรมย์, ไชยยนต์, บุตรศรี, and ประสารถาวรกุล