Antonia is the name of all women of the Antonius family in Ancient Rome, according to the Roman naming convention. In classical sources there are several women mentioned with this name (see also: Julio-Claudian family tree):

• Daughters of Mark Antony and Octavia Minor:
  • Antonia Major, grandmother of Nero
  • Antonia Minor, mother of Claudius and grandmother of Caligula
• Julia Antonia, mother of Mark Antony