Cognomen Justa (Juste 
, Justa 
, Just ) , globally, is a common family name. The last name Justa is characteristic of Latin America and the Caribbean, particularly Saint Lucia, where it is quite a common surname, Nicaragua, and Haiti (explore the name in all countries). Not in comparison with a country's population, it is commonest in Germany, Spain, and Italy. More prevalently, Justa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Juste | Germany, Italy, Spain, Argentina, Democratic Republic of the Congo |
| Justa | Germany, Spain, Mexico, United States, Argentina |
| Just | Germany, Italy, Spain, United States, Democratic Republic of the Congo |
| Giusto | Germany, Italy, Spain, Mexico, United States |
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aleksandra justa Polish actress, PL (b. 1969) |
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| václav justa (b. 1922) |
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| slavoj justa CZ (b. 1929) |
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| francine justa (b. 1942) |
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| shivali justa researcher |
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| josef justa researcher |
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