Across the world, ชาญชัช (ชาญชัช 
) is a very rare male forename. The forename ชาญชัช is habitual in South-eastern Asia, particularly Thailand, where it is a very rare boy's name.
| VARIANT | COUNTRY |
|---|---|
| ชาญชัช | Thailand |
คูหิรัญ, รวมสันเทียะ, and สิงห์ทอง