Faustus, Abibus and Dionysius of Alexandria (died 250) were Christian martyrs put to death under Decius in 250.
Faustus was a priest, Abibus was a deacon, and Dionysius was a lector. They were executed with several others, who include: Andronicus, a soldier Andropelagia, Cyriacus, an acolyte another Cyriacus, Theocistus, a sea captain Macarius, Andreas, Sarpambo, Thecla, and Caldote. The Roman Martyrology lists only Faustus and Macarius with 10 companions. Their feast day is celebrated on 6 September.
References Holweck, F. G. A Biographical Dictionary of the Saints. St. Louis, MO: B. Herder Book Co. 1924.