Ana

Also Albanian: https://instatemra.shinyapps.io/emra/
https://sq.wikipedia.org/wiki/M%C3%ABria -- "Shën Ana" = Saint Anna
https://sq.wikipedia.org/w/index.php?search=Meria&title=Speciale:K%C3%ABrko&profile=advanced&fulltext=1&ns0=1&searchToken=dkqtt6bvkmk0z5w95qw50j1wx [noted -ed]

People need to realize that not every language uses the double n for this name. If you like Anna then use it. Ana isn't used in your language so what do you care if it has one n.

Also Piedmontese: https://pms.wikipedia.org/wiki/Luis_XIV_%C3%ABd_Fransa -- Soa mare Ana d'Àustria

Ana is also Bosnian. The popularity chart for Bosnia and Herzegovina should be a further indicator of that. In fact, Ana is one of the most common female names in Bosnia and Herzegovina.

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Bosnian Pronunciation: A-na.

Also Hawaiian.

Also Russian. Ana is used alongside Anna in Russia, usually as a standalone name. However, both Ana and Anna are sometimes used as diminutives of Anastasia/Anastasiya in Russia.

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Scripts: Ана (Russian)

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Russian Pronunciation: u-nu.

Also Silesian: https://pl.wiktionary.org/wiki/Ana --- offer sources

Also Kashubian: https://pl.wiktionary.org/wiki/Indeks:Kaszubski_-_Imiona
https://csb.wikipedia.org/wiki/7_czerwi%C5%84ca
https://csb.wikipedia.org/wiki/26_l%C3%ABpi%C5%84ca
https://csb.wikipedia.org/wiki/15_l%C3%ABpi%C5%84ca

Also Aragonese: https://an.wikipedia.org/wiki/Santa_Ana

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

Also Sorbian: https://hsb.wiktionary.org/wiki/P%C5%99idawk:Lis%C4%87ina_hornjoserbskich_p%C5%99edmjenow
https://hsb.wiktionary.org/wiki/P%C5%99idawk:Lis%C4%87ina_zapados%C5%82owjanskich_p%C5%99edmjenow.

Anano is also very common in Georgia (country, not state). [noted -ed]

More than 99.9 percent of people with the first name Ana are female.
Also Galician, Hawaiian and Russian.

In Portuguese Ana is so commonly used as the first part of double name that most Ana's go by their second names on a regular basis. For example, a 'Ana Carolina' would normally be called just 'Carolina'.

Ana is a very common name in Portugal. Ana Raquel (mine), Ana Sofia, Ana Teresa, Ana Maria, Ana Paula, Ana Margarida, Ana Rita, Ana Filipa...the combinations are so many and so beautiful. When I was on 12th grade there was 62 Ana's in my year. Now, in college, there are probably more than 200 on their first year.