New International Version
I will give you hidden treasures, riches stored in secret places, so that you may know that I am the LORD, the God of Israel, who summons you by name.

American Standard Version
and I will give thee the treasures of darkness, and hidden riches of secret places, that thou mayest know that it is I, Jehovah, who call thee by thy name, even the God of Israel.

Berean Study Bible
I will give you the treasures of darkness and the riches hidden in secret places, so that you may know that I am the LORD, the God of Israel, who calls you by name.

Douay-Rheims Bible
And I will give thee hidden treasures, and the concealed riches of secret places: that thou mayest know that I am the Lord who call thee by thy name, the God of Israel.

English Revised Version
and I will give thee the treasures of darkness, and hidden riches of secret places, that thou mayest know that I am the LORD, which call thee by thy name, even the God of Israel.

King James Bible
And I will give thee the treasures of darkness, and hidden riches of secret places, that thou mayest know that I, the LORD, which call thee by thy name, am the God of Israel.

World English Bible
I will give you the treasures of darkness, and hidden riches of secret places, that you may know that it is I, Yahweh, who call you by your name, even the God of Israel.

Young's Literal Translation
And have given to thee treasures of darkness, Even treasures of secret places, So that thou knowest that I, Jehovah, Who am calling on thy name -- am the God of Israel.

Isaiah 45:3 Additional Translations ...