Family name วานิชย์ (Wanit 
, วานิชย์ , Varnish 
) , worldwide, is a rare cognomen. The cognomen วานิชย์ is characteristic of Malaysia, where it is a rare surname, Thailand, and Australia. In absolute terms, it is commonest in Thailand, Malaysia, and the United Kingdom. More frequently, วานิชย์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wanit | Canada, Thailand, United States, India, Malaysia |
| วานิชย์, Vanvalit | Thailand |
| Varnish | Australia, Thailand, United Kingdom, India, United States |