422-451) was a prominent high official of the Eastern Roman Empire, who influenced imperial policy during the second quarter of the fifth century.
A Syrian, on 6 November 422 he was praefectus urbi of Constantinople, in which capacity he received an edict preserved in the Codex Theodosianus (vi.8.1).
Due to the closure of the brothels of Constantinople, the treasury received less revenue, and Florentius decided to give some of his own properties to the State to compensate for the loss.
[1] Between 444 and 448 he received the title of patricius; on 22 November of the year in which he received this title, he was commissioned by Theodosius II to participate in an investigation that was held in Constantinople on the views of Eutyches, as the Emperor trusted Florentius' orthodoxy.
At the beginning of the reign of Marcian, Florentius and Anatolius dissuaded the emperor from supporting the uprising of the Armenians against the Sassanids.