Andreas

Also Czech: https://cs.m.wikipedia.org/wiki/Andreas

Also used in Estonia.

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://rm.wikipedia.org/wiki/Dumeni_Capeder -- his brother, Andreas Capeder
https://sursassiala.ch/2015/01/15/familienforschung/
https://www.portraitarchiv.ch/portrait?page=69

Also used in Luxembourg: http://www.actioun-letzebuergesch.lu/virnimm.html
You'll find numerous bearers on social media.

Also Finnish name. Finnish name day November 30.
https://fi.wikipedia.org/wiki/Andreas
https://almanakka.helsinki.fi/en/name-days/name-day-search.html

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

Andreas is also used in Italy. According to ISTAT 44 Andreas were born in 2016.

Also Anglicized form of Irish name Aindréas.

The name Andreas was given to 151 baby boys born in the US in 2012.

This name is also used frequently in The Netherlands. [noted -ed]

This name is very popular and very common in Norway.

This is very common in Sweden, took over after the dated Anders and reached trendy heights.