Across the world, วิทษณุ (วิทษณุ 
) is a very rare largely masculine, but uncommonly female first name. The given name วิทษณุ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare dominantly masculine, but infrequently girly name.
| VARIANT | COUNTRY |
|---|---|
| วิทษณุ | Thailand |
กลินหอม, เริงสนาม, and วงษ์วิสิทธิ์