John Komnenos was the second son of the Byzantine aristocrat, and emperor in 1183–1185, Andronikos I Komnenos. His father appointed him co-emperor over his older brother Manuel, but when Andronikos was deposed on 12 September 1185, John was also seized and killed.
- Position held
- Byzantine emperor
- Born
- 1159
- Died
- September 12, 1185