Judges 18 is the eighteenth chapter of the Book of Judges in the Old Testament or the Hebrew Bible. According to Jewish tradition the book was attributed to the prophet Samuel, but modern scholars view it as part of the Deuteronomistic History, which spans in the books of Deuteronomy to 2 Kings, attributed to nationalistic and devotedly Yahwistic writers during the time of the reformer Judean king Josiah in 7th century BCE. This chapter records the activities of the tribe of Dan, and belongs to a section comprising Judges 17 to 21.

Judges 21 is the twenty-first chapter of the Book of Judges in the Old Testament or the Hebrew Bible. According to Jewish tradition the book was attributed to the prophet Samuel, but modern scholars view it as part of the Deuteronomistic History, which spans in the books of Deuteronomy to 2 Kings, attributed to nationalistic and devotedly Yahwistic writers during the time of the reformer Judean king Josiah in the 7th century BCE. This chapter records the war between the tribe of Benjamin and the other eleven tribes of Israel, belonging to a section comprising Judges 17 to 21.