Family name Trentacoste (Trentacoste 
) , around the globe, is a rare last name. The cognomen Trentacoste is characteristic of Italy, where it is a rare surname, Afghanistan, and Argentina. Measured by absolute frequency, it most frequently occurs in Italy, the United States, and Argentina. Very seldom, Trentacoste is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Trentacoste | Italy, United States, Afghanistan, Argentina, France |
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domenico trentacoste Italian sculptor (1859-1933), IT (b. 1859) |
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fabrizio trentacoste Italian politician, IT (b. 1975) |
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marco trentacoste Italian record producer, IT (b. 1976) |
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| eduardo r trentacoste researcher ORCID ID = 0000-0001-5874-2101 |
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| catherine m trentacoste Ph.D. Clemson University 2012 |
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| angela trentacoste researcher (ORCID 0000-0001-7096-5252) |
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