All around the world, นิลวัลย์ (นิลวัลย์ 
) is a very rare largely feminine, but infrequently masculine given name. The given name นิลวัลย์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare mostly female, but seldom male name. Also, นิลวัลย์ is the last name as well as the forename.