Cognomen 沃特 (Wirt 
, 沃特 
, Vaught 
) , around the globe, is a common family name. The last name 沃特 is characteristic of the United States, where it is quite a rare surname, Germany, and Austria, where it is a rare surname. Measured by absolute frequency, it is commonest in the United States, Germany, and Canada. Much less frequently, 沃特 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wirt | Germany, Mexico, United States, Poland, Canada |
| 沃特 | China |
| Vaught | Germany, Australia, Mexico, United States, Canada |
| Vawter | Germany, United Kingdom, United States, Canada, France |