Pinarius Valens was a Roman Empire, Roman nobleman mentioned in the ''Historia Augusta'' as an older relative of Pupienus, whom the Senate elected co-emperor with Balbinus in March 238. After Pupienus ascended to the throne, he appointed Valens as praetorian prefect.''Historia Augusta'', "Maximus et Balbinus", 4.4 His fate after the murder of the two emperors in June is unknown.

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3rd-century Romans Praetorian prefects {{AncientRome-bio-stub