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All around the world, Juca (Juca , Жука , Jucá ) is a rare dominantly boy's, but infrequently female first name. The first name Juca is habitual in Portugal, where it is a rare gender-neutral name, Bolivia, where it is a rare boy's name, and Romania. Not in comparison with a country's population, this name is the most popular in Brazil, Portugal, and India. More frequently, Juca is the last name as well as the forename.
Juca is also a name for the fictitious and mythical characters: Juca Pato .