The Ala I Pannoniorum (Ala I Pannoniorum Sabiniana), was a Roman cavalry unit stationed in Arbeia in the 2nd c. AD.^[1]

It was later stationed at Chesters on Hadrian's Wall,^[2] and then in Gemellae in Roman Numidia in around 225-244.^[3] During the third century it was commanded by a former guardsman, Celerinius Augendus, who had been ennobled to the equestrian order and given command of this frontier units, guarding the border facing the Sahara desert.^{[citation needed]}