Domitia is the name of women from the gens Domitia of Ancient Rome. Women from the gens include:
Domitia (aunt of Messalina), aunt of Roman emperor Nero and empress Messalina
Domitia Lepida, mother of Roman empress Valeria Messalina
Domitia Longina (c. 54–128), wife of Roman Emperor Domitian
Domitia Decidiana (1st century), wife of Roman General Gnaeus Julius Agricola and mother-in-law to historian Tacitus Domitia Calvilla or Domitia Lucilla Minor (died c. 158), mother of Roman Emperor Marcus Aurelius Domitia Paulina (died c. 85), mother of Roman Emperor Hadrian Aelia Domitia Paulina (75–130), sister of Roman Emperor Hadrian Domitia Faustina, short-lived daughter of Roman Emperor Marcus Aurelius and Roman Empress Faustina the Younger Saint Domitia, a saint of Orthodox Christianity