Cognomen Debonis (Debonis 
) , around the world, is quite a rare last name. The surname Debonis is habitual in Argentina, where it is a rare surname, Uruguay, and the United States. In absolute terms, the name is most common in the United States, Argentina, and Italy.
| VARIANT | COUNTRY |
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| Debonis | Italy, Canada, Brazil, United States, Argentina |
| steven debonis (b. 1949) |
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| marcia debonis American actress, US (b. 1960) |
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| katrina debonis researcher |
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| dom debonis college basketball player (1952–1955) New York University |
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| joe debonis college basketball player (1948–1948) New York University |
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| mark jude debonis Ph.D. University of California, Irvine 1991 |
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| marsha debonis |
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