Agnesa

Also Czech: https://cs.m.wikipedia.org/wiki/Ane%C5%BEka - listed as a variant

Also Niçard: http://www.sourgentin.org/cours-de-nissart/les-prenoms/
You'll find bearers on social media.

Also Sardinian: https://sc.wikipedia.org/wiki/Beneita_de_C%C3%A0laris --- "sa tzia Agnesa" and another woman Agnesa de Massa

Also Sicilian: https://scn.wikipedia.org/wiki/Noma_siciliani

Also Romanian: https://ro.wikipedia.org/wiki/Agnesa
You'll find bearers on social media.

Also one of the Lithuanian forms: https://www.tevu-darzelis.lt/vaiku-vardai/Agnesa/

Also Czech.

Also Albanian, Bulgarian, Macedonian and Georgian form of Agnes.

Also the Romansh form.
Source: "Vornamen in der Schweiz. Prénoms en Suisse. I nomi in Svizzera. Prenoms in Svizra" (1993) published by the Association of Swiss registrars
Http://www.annalas.ch/persunas/display/q:Agnesa
Https://www.e-periodica.ch/cntmng?pid=bmb-002:1952:0::539