Last name Oca (Oka 
, Avis 
, Oca ) , all around the world, is a common surname. The surname Oca is habitual in Egypt, where it is quite a common surname, Ivory Coast, and Indonesia, where it is quite a rare surname. In absolute terms, the name is most common in Indonesia, Egypt, and Philippines. Likewise, Oca is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oka | Indonesia, Egypt, Ivory Coast, Philippines, United States |
| Avis | Indonesia, United Kingdom, Philippines, Nigeria, United States |
| Oca | United Kingdom, Egypt, Philippines, Nigeria, United States |
| Ока | Kazakhstan, Russia, Ukraine |
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manuel montes de oca Spanish military personnel and politician (1804-1841), ES (b. 1803) |
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| isidoro montes de oca Mexican general, MX (b. 1789) |
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rafael montes de oca MX (b. 1830) |
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manuel augusto montes de oca AR (b. 1831) |
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| luciano montes de oca Argentinian military personnel, AR (b. 1794) |
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| juan josé montes de oca Argentinian physician, AR (b. 1806) |
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hilarión domingo moreno montes de oca Argentine diplomat, AR (b. 1863) |
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manuel augusto montes de oca Argentinian lawyer and diplomat, AR (b. 1867) |
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| fernando montes de oca Mexican military personnel (1829-1847), MX (b. 1829) |
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| leopoldo montes de oca Argentinian physician (1834-1906), AR (b. 1834) |
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| carlos gonzález montes de oca (b. 1846) |
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| luis montes de oca Mexican economist (1892-1958), MX (b. 1892) |
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xosé manuel martínez oca Spanish writer, ES (b. 1942) |
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| josé g. montes de oca (b. 1895) |
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| jorge newton montes de oca AR (b. 1901) |
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