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