Surname Terrio (Terrio 
) , in the world, is quite a rare last name. The cognomen Terrio is characteristic of Canada, where it is a rare surname, New Zealand, and the United States. In absolute terms, it is commonest in the United States, Canada, and Argentina. Very seldom, Terrio is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Terrio | Canada, United States, Philippines, Argentina, New Zealand |
| paul terrio Canadian Catholic bishop, CA (b. 1943) |
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| deney terrio Choreographer, television personality, US (b. 1950) |
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| chris terrio American film director, US (b. 1976) |
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| paul terrio researcher ORCID ID = 0000-0002-1515-9570 |
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