Fina

Also used in Spanish as a diminutive of Serafina and Josefina. It can also be found as a standalone name, but rarely.

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https://www.heraldicafamiliar.com/nombre-fina/
https://www.ine.es/widgets/nombApell/index.shtml?L=1 [noted -ed]

Also Gascon: https://ieo-oc.org/spip.php?page=article&id_article=300 --- Source: Institut d'Estudis Occitans

Also a Galician short form of names ending in -Fina, occasionally used as a given name: http://www.ige.eu/igebdt/esq.jsp?idioma=gl&ruta=onomast/nomes.jsp
https://gl.wikipedia.org/wiki/Hipocor%C3%ADstico

In Sweden it has traditionally been used as a nick for Josefina.