Surname Nootkasem (Nootkasem 
) , worldwide, is a very rare last name. The family name Nootkasem is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Nootkasem | Thailand |
Arsarn, Umarak, Chatchawan, and Thanunchakorn