Surname Обар (Osbahr 
, Обар 
) , globally, is a rare cognomen. The cognomen Обар is habitual in Denmark, where it is quite a rare surname, Germany, where it is a rare surname, and Switzerland. Measured by absolute frequency, it is commonest in Germany, the United States, and Denmark.
| VARIANT | COUNTRY |
|---|---|
| Osbahr | Germany, Switzerland, Colombia, United States, Denmark |
| Обар | Ukraine |