Cognomen Janthummee (Janthummee 
) , all over the world, is an extremely rare family name. The surname Janthummee is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Janthummee | Thailand |
Montree, Phanuwat, Surangrat, Tinnaphop, and Miss Kanoknat