The maroon-belted chat-tyrant (Ochthoeca thoracica), also known as the maroon-chested chat-tyrant or the chestnut-belted chat-tyrant, is a species of bird in the tyrant flycatcher family. It is found in northern South America. Its natural habitats are subtropical or tropical moist montane forests and heavily degraded former forest.
This bird was considered to be a subspecies of the slaty-backed chat-tyrant (Ochthoeca cinnamomeiventris).