Antonieta is a form of the English and French name Antoinette.
Antonieta is also a Spanish form of Antonia.
Antonieta is not widely used as a baby name for girls. It is not in the top 1000 names.
A baby name that sounds like Antonieta is the Italian name Antonietta.
† approx English pronunciation for Antonieta: AE as in "at (AE.T)" ; N as in "knee (N.IY)" ; T as in "tee (T.IY)" ; OW as in "oak (OW.K)" ; IY as in "eat (IY.T)" ; EH as in "ebb (EH.B)" ; AH as in "mud (M.AH.D)"