Family name Rattanamekul (Rattanamekul 
) , in all the world, is a very rare surname. The surname Rattanamekul is characteristic of Tanzania, where it is a very rare surname, and Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rattanamekul | Tanzania, Thailand |
Kanchana, Sanpachaya, and Prakongsin