Pope Honorius IV (1285–1287) only created one new cardinal during his papacy. This was accomplished on 22 December 1285:
- Giovanni Boccamazza, archbishop of Monreale and nephew of Pope Honorius – cardinal-bishop of Frascati, † 10 August 1309
Miranda, Salvador. "Consistories for the creation of Cardinals 13th Century (1198-1303): Honorius IV (1285-1287)". The Cardinals of the Holy Roman Church. Florida International University. OCLC 53276621.
Pope Honorius IV (1285–1287) only created one new cardinal during his papacy. This was accomplished on 22 December 1285:
- Giovanni Boccamazza, archbishop of Monreale and nephew of Pope Honorius – cardinal-bishop of Frascati, † 10 August 1309
Miranda, Salvador. "Consistories for the creation of Cardinals 13th Century (1198-1303): Honorius IV (1285-1287)". The Cardinals of the Holy Roman Church. Florida International University. OCLC 53276621.