Family name Osacar (Osacar 
) , around the world, is a rare cognomen. The cognomen Osacar is habitual in Albania, where it is a rare surname, Argentina, and Spain. Measured by absolute frequency, it most frequently occurs in Argentina, Spain, and Colombia. Likewise, Osacar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Osacar | Spain, Guatemala, Colombia, Argentina, Bolivia |
| jose de echenique y osacar (born 1906) (b. 1906) |
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| juan huarte osacar ES (b. 1941) |
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| maria goni osacar chess player (b. 1977) |
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| jorge osacar AR |
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