Surname Oiarzabal (Oiarzabal 
) , globally, is a very rare last name. The cognomen Oiarzabal is habitual in Southern Europe, particularly Spain, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Oiarzabal | Spain |
| karlos zabala oiarzabal Spanish writer, ES (b. 1963) |
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| pedro j. oiarzabal researcher (b. 1971) |
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| sergio oiarzabal Spanish poet and writer (1973-2010), ES (b. 1973) |
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