Surname วันเอก (วันเอก 
, Wanek 
) , throughout the world, is quite a rare last name. The family name วันเอก is habitual in Austria, where it is quite a rare surname, Germany, where it is a rare surname, and the United States. Very seldom, วันเอก is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| วันเอก | Thailand |
| Wanek | Canada, United States, Germany, Poland, Austria |