Surname Owart (Owart 
) , worldwide, is a very rare family name. The last name Owart is habitual in Netherlands, where it is a very rare surname, Thailand, and Germany. Measured by absolute frequency, this name is the most popular in Thailand, Germany, and the United States. Also, Owart is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Owart | Germany, Democratic Republic of the Congo, Thailand, United States, Netherlands |