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 11

11:27 Wherefore I have not sinned against thee, but thou doest me wrong to war against me: the LORD the Judge be judge this day between the children of Israel and the children of Ammon.