Philologus of Sinope (Greek: Φιλόλογος ό Σινώπιος) is numbered among the Seventy Disciples, and is commemorated with them on January 4. He is also commemorated on November 5 together with Ss. Patrobas, Hermas, Linus, and Gaius.

He was likely the father of Marcion of Sinope, founder of Marcionism.

Hymns Troparion (Tone 3) Holy apostle Philologus of the Seventy; Entreat the merciful; To grant our souls forgiveness of transgressions. Kontakion (Tone 4) The Church ever sees you as a shining star, O apostle Philologus, Your miracles have manifested great enlightenment. Therefore we cry out to Christ: "Save those who with faith honor Your apostle, O Most Merciful One."

References

Sources Apostle Philologus of the Seventy, January 4 (OCA)

External links Apostle Philologus of the Seventy, November 5 (OCA)