Family name Bonča (Bonča 
) , globally, is a very rare cognomen. The surname Bonča is habitual in Southern Europe, particularly Slovenia, where it is quite a rare surname, and Croatia, where it is a rare surname.
| ferdinand bonča SI (b. 1792) |
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| miloš bonča Slovene architect (1932-2006), SI (b. 1932) |
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| janez bonča Slovene physicist, SI (b. 1960) |
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| jaka bonča SI |
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| petra došenović bonča SI |
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