Cognomen Ourso (Ourso 
) , all around the world, is a rare family name. The surname Ourso is characteristic of New Zealand, where it is a rare surname, the United States, and Venezuela, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ourso | New Zealand, United States, Canada, Venezuela |
| darrell ourso American politician, US (b. 1964) |
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| robert ourso researcher ORCID ID = 0000-0002-5952-8681 |
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| darrell ourso US |
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