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 18

18:12 And they went up, and pitched in Kirjathjearim, in Judah: wherefore they called that place Mahanehdan unto this day: behold, it is behind Kirjathjearim.