Cognomen Dimario (Dimario 
) , worldwide, is a rare surname. The cognomen Dimario is habitual in the United States, where it is a rare surname, Italy, where it is a very rare surname, and Belgium. Not in comparison with a country's population, it is the most numerous in the United States, Italy, and Brazil. Very seldom, Dimario is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dimario | Canada, Jamaica, Italy, Brazil, United States |
| michael francis dimario (b. 1937) |
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| alana dimario American politician and clinical psychologist (b. 1978) |
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| robert j dimario researcher |
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| patrick j dimario researcher |
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