Psalm 23 is the 23rd psalm of the Book of Psalms, beginning in English in the King James Version: "The Lord is my shepherd". In Latin, it is known by the incipit, "Dominus reget me". The Book of Psalms is part of the third section of the Hebrew Bible, and a book of the Christian Old Testament. In the slightly different numbering system used in the Greek Septuagint and Latin Vulgate translations of the Bible, this psalm is Psalm 22.