Around the globe, วิยะนุช (วิยะนุช 
) is a very rare dominantly feminine, but seldom masculine first name. The first name วิยะนุช is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare mostly girly, but uncommonly boy's name.
| VARIANT | COUNTRY |
|---|---|
| วิยะนุช | Thailand |