Martin

Also Guernésiais: http://dbooks.bodleian.ox.ac.uk/books/PDFs/590676737.pdf

Also Armenian: https://www.behindthename.com/name/martin/top/armenia

Also Basque, pronounced /maɾ.ˈtin/

Also Dutch: https://www.meertens.knaw.nl/nvb/naam/is/Martin

Also Albanian: https://instatemra.shinyapps.io/emra/
https://en.wiktionary.org/wiki/Martin#Albanian

Also Maltese: https://mt.wikipedia.org/wiki/Martin_de_Porres
You'll find bearers on social media.

Also Picard: https://pcd.wikipedia.org/w/index.php?search=Martin&title=Sp%C3%A9cial:Recherche&profile=advanced&fulltext=1&ns0=1
https://pcd.wikipedia.org/wiki/Tiots_noms_din_ches_langues_d%27Ouol

Also Norman (Cotentinais): https://nrm.wikipedia.org/wiki/Abbaie -- Saint Martin

Very stanky name that I hope is never heard again. Martin is a very bad name. I prefer Harambe after the monkey.

Also Ligurian: https://lij.wikipedia.org/wiki/Martin_Piaggio

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/Gian_Fontana -- his son's name
Https://rm.wikipedia.org/wiki/Martin_Rasch%C3%A8r
Https://nossaistorgia.ch/entries/2WQD9RGM6aq
Https://nossaistorgia.ch/entries/mwnZw4mVLgr
Https://www.portraitarchiv.ch/portrait?page=62
Http://www.annalas.ch/persunas/display/q:Martin

Also Venetian: https://vec.wikipedia.org/wiki/San_Martin_de_Tours

Also Gascon, Provençal and Languedocian: https://ieo-oc.org/spip.php?page=article&id_article=290 --- Source: Institut d'Estudis Occitans

This name is quite common in the Czech Republic.

Also used in Estonia. [noted -ed]

Also Dutch
Pronounced: MAR-tin (Dutch), MA-dehn (Danish), mur-TYEEN (Russian)

Also Occitan: https://fr.wiktionary.org/wiki/Martin#Ancien_occitan (Source: Michel Grosclaude, Dictionnaire étymologique des noms de famille gascons, 2003)

Just FYI that on the main view for "Martin" it states that "Мартин" is in Russian, but "Мартин" is actually Ukrainian, and "Мартын" is in Russian.

In 2018, 47 is the most common age for an American (U.S.) Martin who is registered male with the Social Security Administration. It is the 234th most common male first name for living U.S. citizens.

Martin is also a very popular name in Croatia. [noted -ed]

This name is also used in the Netherlands.