Iōsēph (Ἰωσήφ) is the Greek rendering of the Hebrew Yosef, meaning "May he add\” or "Yahweh increases.\” It is among the most common names in the NT, borne by multiple figures: Joseph son of Jacob (the patriarch), Joseph husband of Mary, Joseph of Arimathea, Joseph Barnabas (Acts 4:36), and others.
The theological depth of Joseph (son of Jacob) is extraordinary — his story in Genesis 37-50 is one of the most developed type-Christ narratives in the OT: (1) Beloved son sent by the father to his brothers. (2) Betrayed and sold by his brothers for pieces of silver. (3) Falsely accused and imprisoned. (4) Exalted to the right hand of the king. (5) Hidden identity revealed — his brothers do not recognize him. (6) Forgiveness extended to those who betrayed him. (7) Savior of many lives, including his enemies.
Joseph of Arimathea mirrors this typological resonance — a wealthy, righteous man who provides his own tomb for Jesus (Matthew 27:57-60), just as Joseph the patriarch provided a place of rest and security in his own "house" (Egypt) for his family. The name Iōsēph in the NT is never merely biographical.