Throughout the world, นิลคำวงศ์ (นิลคำวงศ์, Ninkamwong 
, Ninkomwong ) is an extremely rare unknown gender forename. Much more prevalently, นิลคำวงศ์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Nilkhumwong, Ninkamwong, Ninkomwong | Thailand |