Hugo

Also Latvian: https://personvardi.pmlp.gov.lv/index.php?name=28300

Also Estonian: https://www.stat.ee/nimed/Hugo

Also Romansh:
Source: "Vornamen in der Schweiz. Prénoms en Suisse. I nomi in Svizzera. Prenoms in Svizra" (1993) published by the Association of Swiss registrars
https://sursassiala.ch/2015/01/15/familienforschung/
https://nossaistorgia.ch/entries/Y2vV5XpvZe3
https://nossaistorgia.ch/entries/jGmMQO8pVkn
https://www.portraitarchiv.ch/portrait?page=117

Also Finnish name. Finnish name day February 3.
https://fi.wikipedia.org/wiki/Hugo
https://almanakka.helsinki.fi/en/name-days/name-day-search.html [noted -ed]

Also Estonian: https://et.wikipedia.org/wiki/Hugo_(eesnimi)

Also Polish: https://pl.wikipedia.org/wiki/Hugo_(imi%C4%99)
https://pl.wiktionary.org/wiki/Hugo

Also Galician: http://www.ige.eu/igebdt/esq.jsp?idioma=gl&ruta=onomast/nomes.jsp
https://gl.wikipedia.org/wiki/Lista_de_nomes_masculinos_en_galego

Also Slovak: https://sk.wikipedia.org/wiki/Hugo

Also Czech: https://cs.wikipedia.org/wiki/Hugo

Hugo is also a Polish name. Pronounced /HOO-gaw/. It was given to 131 boys in 2017. Compared to the previous years, the number is slowly growing.

Hugo is also a French name. [noted -ed]

Also very popular in Sweden. #5 in 2008. [noted -ed]