Family name วัชพืช (Weing 
, Weedo 
, Weedz 
) , around the globe, is a rare surname. The cognomen วัชพืช is habitual in Austria, where it is a rare surname, Malaysia, and Thailand. Not in comparison with a country's population, the name is most common in the United States, Thailand, and Malaysia. Very seldom, วัชพืช is the forename as well as the last name.