Introduction:
The title "The LORD Our Righteousness" is a profound designation found in the Old Testament, specifically in the prophetic writings of Jeremiah. This title encapsulates the divine provision of righteousness through the Lord Himself, highlighting both His character and His redemptive work for His people.

Biblical References:
The primary reference to "The LORD Our Righteousness" is found in the book of Jeremiah. In Jeremiah 23:5-6 , the prophet declares: "Behold, the days are coming, declares the LORD, when I will raise up for David a righteous Branch, and He will reign wisely as king and will administer justice and righteousness in the land. In His days Judah will be saved, and Israel will dwell securely. And this is His name by which He will be called: The LORD Our Righteousness."

A similar reference is found in Jeremiah 33:15-16 : "In those days and at that time I will cause to sprout for David a righteous Branch, and He will execute justice and righteousness in the land. In those days Judah will be saved, and Jerusalem will dwell securely, and this is the name by which it will be called: The LORD Our Righteousness."

Theological Significance:
The title "The LORD Our Righteousness" is deeply rooted in the covenantal promises made to David and the nation of Israel. It signifies the coming of a messianic figure, a "righteous Branch" from the line of David, who will embody and impart righteousness to His people. This messianic expectation is fulfilled in the person of Jesus Christ, who is seen as the ultimate realization of this prophecy.

In the context of the Old Testament, righteousness is a key attribute of God, reflecting His moral perfection and justice. The provision of righteousness by the Lord indicates a divine intervention where God Himself becomes the source of righteousness for His people, addressing the problem of human sin and moral failure.

Christological Fulfillment:
From a New Testament perspective, Jesus Christ is identified as the fulfillment of this prophetic title. The Apostle Paul, in his epistles, emphasizes that righteousness comes through faith in Jesus Christ. In 1 Corinthians 1:30 , Paul writes, "It is because of Him that you are in Christ Jesus, who has become for us wisdom from God: our righteousness, holiness, and redemption."

The concept of imputed righteousness, where believers are declared righteous through faith in Christ, aligns with the prophetic declaration of "The LORD Our Righteousness." This righteousness is not based on human merit but is a gift from God, achieved through the sacrificial death and resurrection of Jesus.

Covenantal Implications:
The title also underscores the faithfulness of God to His covenant promises. Despite the unfaithfulness of Israel, God promises a future restoration and salvation through the righteous Branch. This reflects the unchanging nature of God's covenant love and His commitment to bring about redemption and restoration for His people.

Conclusion:
The title "The LORD Our Righteousness" serves as a powerful reminder of God's provision of righteousness through the promised Messiah. It highlights the centrality of Jesus Christ in God's redemptive plan and the assurance of salvation and security for those who trust in Him.