Family name ญานิมมานรุจ (ญานิมมานรุจ 
) , in all the world, is an extremely rare last name. The cognomen ญานิมมานรุจ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ญานิมมานรุจ | Thailand |