Family name ไชยอุทิตย์กุล (ไชยอุทิตย์กุล 
) , throughout the world, is a very rare surname. The cognomen ไชยอุทิตย์กุล is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ไชยอุทิตย์กุล | Thailand |