In the world, วิทธิยา (วิทธิยา 
) is a very rare dominantly boy's, but infrequently girly forename. The given name วิทธิยา is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare mostly male, but seldom girly name.
| VARIANT | COUNTRY |
|---|---|
| วิทธิยา | Thailand |