Susanna

Also Catalan: http://www.idescat.cat/noms/?q=Susanna
https://ca.wiktionary.org/wiki/Susanna

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://www.portraitarchiv.ch/portrait?page=106
http://www.annalas.ch/persunas/display/q:Susanna

Also Armenian and Ukrainian:

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https://www.behindthename.com/name/susanna/top/armenia
https://forebears.io/forenames/susanna [noted -ed]

Also Flemish: http://www.names.be/meisjesnamen.html?met=Susanna&sort=beldesc

Also Afrikaans: https://af.wikipedia.org/w/index.php?search=Susanna&title=Spesiaal:Soek&profile=advanced&fulltext=1&searchengineselect=mediawiki&ns0=1

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

Susanna is also Estonian. The name day for Susanna in Estonia is August 11.

Also Banatswabian: https://ofb.genealogy.net/famreport.php?ofb=zichydorf&ID=I20252&nachname=Achtzehner&modus=&lang=de
https://ofb.genealogy.net/famreport.php?ofb=zichydorf&ID=I28889&nachname=Bachmann&modus=&lang=de

This name was also used among the German minority in Bessarabia (and by far more common than Susanne: https://ofb.genealogy.net/famreport.php?ofb=krasna&ID=I7296&nachname=Paul&modus=&lang=de
https://ofb.genealogy.net/famreport.php?ofb=krasna&ID=I4346&nachname=Ritz&modus=&lang=de

Also Sardinian: https://it.wikipedia.org/wiki/Prenomi_sardi#M
https://docplayer.it/45613861-Antioco-sant-326-antoninu-sant-antonio-abate-sant-driano-sant-antonio-da-padova-sant-agata-sant-sant-ada-adi-agata-lulla-agnese-sant.html

Also Estonian: https://et.wikipedia.org/wiki/Susanna

This is also the Catalonian form of the name. [noted -ed]

The name Susanna was given to 190 girls born in the US in 2015.

Susanna appeared on the top 1000 list from the 1880's until 2000. Its most popular year was the 1890's where it ranked 435.