Around the world, นิยาม (นิยาม 
) is a very rare mostly boy's, but seldom female first name. The first name นิยาม is habitual in South-eastern Asia, particularly Thailand, where it is a very rare mostly male, but seldom feminine name. Much less frequently, นิยาม is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| นิยาม | Thailand |