The Slaty-backed Chat-tyrant (Ochthoeca cinnamomeiventris) is a species of bird in the tyrant flycatcher family. It is found in Bolivia, Colombia, Ecuador, Peru, and Venezuela. Its natural habitats are subtropical or tropical moist montanes and heavily degraded former forest.

Clements splits this species, with the subspecies thoracica being raised to species level as Maroon-chested Chat-tyrant, Ochthoeca thoracica.