King of kings is a name given twice to God the Father and once to Jesus. Each time it is in combination with the name “Lord of lords.” Jesus (Yeshua‘) shares the sovereignty of God over all other authorities in heaven and on earth, and that makes Jesus King of kings. The kings of earth are subjects of God.
Jesus, the rider on the white horse in Revelation 19, has a name that only He knows. Later in the chapter, we read about two names: Jesus is the Word of God and on His robe and on His thigh He has another name written, “KING OF KINGS, AND LORD OF LORDS.” Could this be the hidden name of Jesus?
King of kings in Greek:
Strong’s Concordance numbers: 935, 935
Bible references: 1 Tim. 6:15; Rev. 17:14; 19:16
Keep the commandment without stain or reproach until the appearing of our Lord Jesus Christ, which He will bring about at the proper time—He who is the blessed and only Sovereign, the King of kings and Lord of lords, who alone possesses immortality and dwells in unapproachable light, whom no man has seen or can see. To Him be honor and eternal dominion! Amen (1 Tim. 6:14-16)
A similar name of God occurs in the Old Testament: Lord of kings. In the book of Revelation, God is called the King of the nations and Jesus is called Ruler of the kings of the earth.