Gaius Asinius Protimus Quadratus

{{short description|Roman senator and governor during the Severan dynasty}}

Gaius Asinius Protimus Quadratus was a Roman senator, who was active during the Severan dynasty. He is known entirely from inscriptions.

Quadratus was proconsular governor of Achaea between 192 and 211; while governing Achaea, Quadratus was designated suffect consul for a nundinium during the following year.Paul M. M. Leunissen, Konsuln und Konsulare in der Zeit von Commodus bis Severus Alexander (Amsterdam: J.C. Gieben, 1989), p. 294

He was the brother of Gaius Asinius Rufus,{{cite web |date=18 March 2022 |title=IG XII, 7 267 |url=https://epigraphy.packhum.org/text/78915?&bookid=22&location=1699 |access-date=2022-03-18 |website=Corpus Inscriptionum Graecarum [CIG] - PHI Greek Inscriptions}} son of Gaius Asinius Nicomachus and wife and cousin Julia Quadratilla (or perhaps Asinia Marcellina, descendant of the family of Gaius Asinius Pollio) and paternal grandson of Gaius Asinius Rufus and wife Julia.{{citation needed|date=September 2020}}

His children included Gaius Asinius Nicomachus Julianus,Leunissen, Konsuln und Konsulare, p. 374 proconsular governor of Asia at some point during the reign of Severus Alexander.Leunissen, Konsuln und Konsulare, p. 228