In the entire world, จำนรรจ์ (Jumnan 
, จำนรรจ์, Chamnanyon ) is a very rare gender-neutral first name. The forename จำนรรจ์ is habitual in Southern Asia, particularly India, where it is an extremely rare masculine name. More frequently, จำนรรจ์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Jumnan | India, Malaysia, Thailand |
| Chamnanyon, Chamnansan | Thailand |
Chammanad, Chamnaknid, Chamnaktan, Chamnan, Chamnancha, Chamnanchan, Chamnancrad, Chamnanhat, Chamnankam, Chamnankan, Chamnankarn, Chamnankha, Chamnankham, Chamnankhao, Chamnankid, Chamnankorn, Chamnankran, Chamnannate, Chamnannawa, Chamnannil, Chamnannok, Chamnannor, Chamnannut, Chamnanpai, Chamnanrob, Chamnanrue, Chamnansil, Chamnansin, Chamnansue, Chamnantae, Chamnantaen, Chamnantan, Chamnantap, Chamnanyut, Chamnarnpai, Chamniapoh, Chamnilok, Chamninok, Chamninork, Chamnisarn, Chamniyant, Chamniyon, Chamniyun, Chumnannaruman, Chumnansin, Chumnanyon, Chumninok, Chumninuan, Chumnunchit, Jumnarn, and