Cistothorus is a genus of small passerine birds in the wren family. The name Cistothorus is from the Ancient Greek words κιστος, meaning "bush", and θουρος, meaning "leaping" or "running through".

The sedge wren is a small and secretive passerine bird in the family Troglodytidae. It is widely distributed in North America. It is often found in wet grasslands and meadows where it nests in the tal