Deuteronomy 4:35 — To you it was shown, that you might know that the Lord Himself is God; there is none other besides Him.
Deuteronomy 4:39 — Therefore know this day, and consider it in your heart, that the Lord Himself is God in heaven above and on the earth beneath; there is no other.
Isaiah 43:10-13 — “You are My witnesses,” says the Lord, “And My servant whom I have chosen, That you may know and believe Me, And understand that I am He. Before Me there was no God formed, Nor shall there be after Me. I, even I, am the Lord, And besides Me there is no savior. I have declared and saved, I have proclaimed, And there was no foreign god among you; Therefore you are My witnesses,” Says the Lord, “that I am God. Indeed before the day was, I am He; And there is no one who can deliver out of My hand; I work, and who will reverse it?”
1 Corinthians 8:4-7 — Therefore concerning the eating of things offered to idols, we know that an idol is nothing in the world, and that there is no other God but one. For even if there are so-called gods, whether in heaven or on earth (as there are many gods and many lords), yet for us there is one God, the Father, of whom are all things, and we for Him; and one Lord Jesus Christ, through whom are all things, and through whom we live. However, there is not in everyone that knowledge; for some, with consciousness of the idol, until now eat it as a thing offered to an idol; and their conscience, being weak, is defiled.
Galatians 3:20 — Now a mediator does not mediate for one only, but God is one.
Deuteronomy 6:4 — “Hear, O Israel: The Lord our God, the Lord is one!
Isaiah 46:9 — Remember the former things of old, For I am God, and there is no other; I am God, and there is none like Me,
Isaiah 45:21-23 — Tell and bring forth your case; Yes, let them take counsel together. Who has declared this from ancient time? Who has told it from that time? Have not I, the Lord? And there is no other God besides Me, A just God and a Savior; There is none besides Me. “Look to Me, and be saved, All you ends of the earth! For I am God, and there is no other. I have sworn by Myself; The word has gone out of My mouth in righteousness, And shall not return, That to Me every knee shall bow, Every tongue shall take an oath.
Isaiah 44:6-8 — “Thus says the Lord, the King of Israel, And his Redeemer, the Lord of hosts: ‘I am the First and I am the Last; Besides Me there is no God. And who can proclaim as I do? Then let him declare it and set it in order for Me, Since I appointed the ancient people. And the things that are coming and shall come, Let them show these to them. Do not fear, nor be afraid; Have I not told you from that time, and declared it? You are My witnesses. Is there a God besides Me? Indeed there is no other Rock; I know not one.’ ”
Isaiah 44:24 — Thus says the Lord, your Redeemer, And He who formed you from the womb: “I am the Lord, who makes all things, Who stretches out the heavens all alone, Who spreads abroad the earth by Myself;
Isaiah 45:5-6 — I am the Lord, and there is no other; There is no God besides Me. I will gird you, though you have not known Me, That they may know from the rising of the sun to its setting That there is none besides Me. I am the Lord, and there is no other;
Deuteronomy 32:39 — ‘Now see that I, even I, am He, And there is no God besides Me; I kill and I make alive; I wound and I heal; Nor is there any who can deliver from My hand.
Unless noted otherwise, all Scripture verses are from The New King James Version. 1996, ©1982. Nashville: Thomas Nelson.