Cognomen វ៉ាន់សៃ (វ៉ាន់សៃ 
) , around the globe, is a very rare last name. The cognomen វ៉ាន់សៃ is habitual in South-eastern Asia, particularly Cambodia, where it is a very rare surname. More frequently, វ៉ាន់សៃ is the forename as well as the last name.