Cognomen วงศ์อำมาตย์ (Wongamart 
, Wongsamat , Wongamnat ) , around the world, is a very rare surname. The last name วงศ์อำมาตย์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, วงศ์อำมาตย์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wongamnat, Wongamart, Wongsamat | Thailand |