Yes, Saint Michael the Archangel is mentioned in the Bible, specifically in the books of Daniel, Jude, and Revelation.
* Daniel: He is mentioned as a protector of Israel and a great prince (Daniel 10:13, 21; 12:1).
* Jude: He is mentioned in a dispute with the devil over the body of Moses (Jude 1:9).
* Revelation: He is depicted leading the armies of heaven against the dragon (Satan) and his angels (Revelation 12:7-9).