- Melchior, Lauritz Melchior, Lauritz Lebrecht Hommel Melchior - United States operatic tenor (born in Denmark) noted for his Wagnerian roles (1890-1973)
--1 is a kind of tenor
- Melchior - (New Testament) one of the three sages from the east who came bearing gifts for the infant Jesus; usually represented as a king of Nubia
--2 is a kind of sage
--2 is a member of Wise Men, Magi