Sextus Sulpicius Tertullus was a Roman senator active in the mid-2nd century. He held the consulship in 158 with Quintus Sacerdos as his colleague.Alison E. Cooley, The Cambridge Manual of Latin Epigraphy (Cambridge: University Press, 2012), p. 473 Tertullus was afterwards proconsular governor of Asia in 173/174.Géza Alföldy, Konsulat und Senatorenstand unter der Antoninen (Bonn: Rudolf Habelt Verlag, 1977), p. 217 He is known entirely from inscriptions.

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