See also the related category latin.
Antonnia is not widely used as a baby name for girls. It is not in the top 1000 names.
Baby names that sound like Antonnia include Antonnea, Anandmayi (Indian), Andeana, Andeanna, Andiana, Andianna, Andyana, Andyanna, Antania, Anthonia (English), Anthymia, Antinia, Antonia (Dutch, English, German, Italian, Polish, Portuguese, Scandinavian, and Spanish), Antonisha, Ondinia, Onteanah, Undinia, Andena, Antheemia, and Antona.
† approx English pronunciation for Antonnia: AE as in "at (AE.T)" ; N as in "knee (N.IY)" ; T as in "tee (T.IY)" ; AH as in "mud (M.AH.D)" ; IY as in "eat (IY.T)"