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 5

5:31 So let all thine enemies perish, O LORD: but let them that love him be as the sun when he goeth forth in his might. And the land had rest forty years.