Sosibius (; lived 3rd century BC) was a Tarentine, one of the captains of the body-guards of Ptolemy Philadelphus (283–246 BC), king of Egypt. It is not improbable he may have been the father of Sosibius, minister of Ptolemy Philopator (221–204 BC). References Notes Ancient Tarantines Ptolemaic generals 3rd-century BC Greek people