Family name Orrock (Orrock 
) , worldwide, is a rare last name. The cognomen Orrock is characteristic of Australia, where it is a rare surname, the United Kingdom, and New Zealand. Not in comparison with a country's population, this name is the most popular in the United States, the United Kingdom, and Australia.
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| Orrock | United Kingdom, South Africa, Australia, United States, Canada |
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james orrock British artist (1829-1913), GB (b. 1829) |
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| robert orrock British association football player (1885-?), GB (b. 1885) |
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nan grogan orrock American politician, US (b. 1943) |
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bobby orrock American politician in Virginia (born 1955), US (b. 1955) |
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| bryan orrock Australian rugby league footballer, AU (b. 1930) |
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| janet orrock jewelry designer, GB (b. 1949) |
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| karen heather orrock (born 1976) (b. 1976) |
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| alexander orrock person associated with the witch trials in Scotland, GB |
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| john l orrock researcher |
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| william orrock Peerage person ID=660555 |
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| jill orrock actress |
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| margaret orrock accused of witchcraft, GB |
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| paul j orrock researcher ORCID ID = 0000-0003-0153-4832 |
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