Cognomen แต้ว (Taeo 
, Taev 
, Taewe ) , in all the world, is a very rare family name. The last name แต้ว is habitual in Estonia, where it is a rare surname, Bulgaria, and Kazakhstan, where it is a very rare surname. Measured by absolute frequency, the name is most common in Bulgaria, Kazakhstan, and Philippines. More frequently, แต้ว is the forename as well as the last name.