King James Bible
O LORD our Lord, how excellent is thy name in all the earth!

New King James Version
O LORD, our Lord, How excellent is Your name in all the earth!

American Standard Version
O Jehovah, our Lord, How excellent is thy name in all the earth!

Berean Study Bible
O LORD, our Lord, how majestic is Your name in all the earth!

Douay-Rheims Bible
O Lord our Lord, how admirable is thy name in all the earth!

English Revised Version
O LORD, our Lord, how excellent is thy name in all the earth!

World English Bible
Yahweh, our Lord, how majestic is your name in all the earth! For the Chief Musician. Set to "The Death of the Son." A Psalm by David.

Young's Literal Translation
Jehovah, our Lord, How honourable Thy name in all the earth!

Psalm 8:9 Additional Translations ...