Sauromates I (Greek: Τιβέριος Ἰούλιος Σαυρομάτης Α' Φιλοκαῖσαρ Φιλορωμαῖος Εὐσεβής, Tiberios Iulios Sauromates Philocaesar Philoromaios Eusebes, means lover of Caesar, lover of Rome who is the Pius one, flourished the second half of the 1st century and the first half of the 2nd century AD, died 123) was a Roman client king of the Bosporan Kingdom.

Through his paternal grandfather, Sauromates I was a descendant of Greek Macedonian Kings: Antigonus I Monophthalmus, Seleucus I Nicator and Regent, Antipater.

He is also descended from the Monarchs Mithridates VI of Pontus and his first wife, his sister Laodice and the previous Bosporan King Asander.

When Rhescuporis II died in 93,[2] Sauromates I succeeded his father as Bosporan King and reigned until his own death in 123.

An imperial freedman called Lycormas took the second letter from Bithynia to Rome for Trajan, a journey that would have taken 6–8 weeks.

In 105, Sauromates I, entrusted and appointed a priest as an official to oversee the restoration of the porticos at the temple at Hermonassa.