Hegesippus (c. 110 – c. 180), was a Christian chronicler of the early Church and wrote against heresies.

His works are lost to us except for some passages quoted by Eusebius. Eusebius tells us that he wrote Hypomnemata (Memoirs) in five books.

Hegesippus work was also known to Jerome. His work was written to refute the new heresies of the Gnostics and of Marcion. He appealed principally to tradition as embodied in the teaching which had been handed down through the succession of bishops, thus providing much information about the earliest bishops that otherwise would have been lost.

Eusebius says that Hegesippus was a convert from Judaism, for he quoted from the Hebrew and also cited unwritten traditions of the Jews.