English Standard Version
I love you, O LORD, my strength.

American Standard Version
I love thee, O Jehovah, my strength.

Berean Study Bible
For the choirmaster. Of David the servant of the LORD, who sang this song to the LORD on the day the LORD had delivered him from the hand of all his enemies and from the hand of Saul. He said: I love You, O LORD, my strength.

Douay-Rheims Bible
Unto the end, for David the servant of the Lord, who spoke to the Lord the words of this canticle, in the day that the Lord delivered him from the hands of all his enemies, and from the hand of Saul. [2 Kings 22.] I will love thee, O Lord, my strength:

English Revised Version
For the Chief Musician. A Psalm of David the servant of the LORD, who spake unto the LORD the words of this song in the day that the LORD delivered him from the hand of all his enemies, and from the hand of Saul: and he said, I love thee, O LORD, my strength.

King James Bible
To the chief Musician, A Psalm of David, the servant of the LORD, who spake unto the LORD the words of this song in the day that the LORD delivered him from the hand of all his enemies, and from the hand of Saul: And he said, I will love thee, O LORD, my strength.

World English Bible
I love you, Yahweh, my strength.

Young's Literal Translation
To the Overseer. -- By a servant of Jehovah, by David, who hath spoken to Jehovah the words of this song in the day Jehovah delivered him from the hand of all his enemies, and from the hand of Saul, and he saith: -- I love Thee, O Jehovah, my strength.

Psalm 18:1 Additional Translations ...