Matidia can refer to:
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Salonia Matidia
Salonia Matidia (4 July 68 – 23 December 119) was the daughter and only child of Ulpia Marciana and wealthy praetor Gaius Salonius Matidius Patruinus. Her maternal uncle was the Roman emperor Trajan. Trajan had no children and treated her like ...
, niece of the Roman Emperor Trajan and mother-in-law of Hadrian, posthumously deified under the name ''diva Matidia''
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Matidia Minor
Mindia Matidia or Vibia Matidia or Matidia Minor (''Minor'' Latin for ''the younger'', 85 – after 161) was a Roman imperial woman in the early second century AD. She was related to several ancient Roman Emperors, as a great-niece to Trajan and ...
or Mindia Matidia, the second daughter of Salonia Matidia, who gave her name to the Italian village of
''Matidia'' (spider), a genus of spiders
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