Worldwide, Joaquín Antonio (Joaquín Antonio 
) is a very rare masculine given name. The first name Joaquín Antonio is characteristic of the Dominican Republic, where it is a rare boy's name, and Spain, where it is a very rare male name. Much less frequently, Joaquín Antonio is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Joaquín Antonio | Spain, Argentina, Chile, Dominican Republic |
| joaquín antonio zuríarraín zubeldía 1805-11-21, ES (b. 1805) |
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| joaquín antonio caceres Amnesty International prisoner of conscience working to distribute human rights information, SV |
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