Theophilus is the name or honorary title of the person to whom the Gospel of Luke

Gospel of Luke

The Gospel According to Luke , commonly shortened to the Gospel of Luke or simply Luke, is the third and longest of the four canonical Gospels. This synoptic gospel is an account of the life and ministry of Jesus of Nazareth. It details his story from the events of his birth to his Ascension.The...

 and the Acts of the Apostles

Acts of the Apostles

The Acts of the Apostles , usually referred to simply as Acts, is the fifth book of the New Testament; Acts outlines the history of the Apostolic Age...

 are addressed (Luke 1:3, Acts 1:1). It is unanimously agreed that both Luke and Acts were originally written in a refined Koine Greek

Koine Greek

Koine Greek is the universal dialect of the Greek language spoken throughout post-Classical antiquity , developing from the Attic dialect, with admixture of elements especially from Ionic....

, and that "θεόφιλος" ("Theophilos"), as it appears therein, means friend of God or (be)loved by God or loving God in the Greek language. No one knows the true identity of Theophilus and there are several conjectures and traditions around an identity.