'O God' in the Bible

Wherefore the LORD said, "Hearken, ye of the house of David: Is it so small a thing for you, to be grievous to men, but that ye should also be painful unto God?

The remnant, yea and the Posterity of Jacob, shall convert unto God the mighty one.

and cast their gods in the fire. Notwithstanding, those were no gods; but the works of men's hands, of wood or stone, therefore have they destroyed them.

Moreover, thus hath the LORD spoken; even the King of Israel, and his avenger, the LORD of Hosts: I am the first and the last, and without me is there no God.

Even I the LORD, before whom there is none other: for without me there is no God. I have prepared thee before thou knewest me:

O how profound art thou O God, thou God and Saviour of Israel?

Remember the things which are past, since the beginning of the world: that I am God, and that there is else no God, yea, and that there is nothing like unto me.

He came up as a spray before him, and as a root out of a dry land. There was neither fashion or beauty on him. And when we looked on him, there was no godliness that we should lust after him.

They seek of me righteous judgments, and will draw nigh unto God. Why have we fasted and thou hast not looked upon it? Have humbled our souls, and thou wouldest not wit it?

The spirit of the LORD led them as a tame beast goeth in the field. Thus, O God, hast thou led thy people, to make thyself a glorious name withal.

For since the beginning of the world there was none except thou, O God, that heard or perceived; neither hath any eye seen what thou doest, for them that put their trust in thee.