Judges is so called because it tells of the times of various rulers, or judges, of Israel from the possession of Canaan until the time of Samuel. Also found in Judges is the recounting of the adventures of Samson.

Judges 4

4:2 And the LORD sold them into the hand of Jabin king of Canaan, that reigned in Hazor; the captain of whose host was Sisera, which dwelt in Harosheth of the Gentiles.