Lycaon may refer to:
In Greek mythology:
- Lycaon (Troy), son of king Priam of Troy by Laothoe
- Lycaon (Arcadia), son of Pelasgus and Meliboea, the mythical first king of Arcadia
- Lycaon, brother or son of Eurypylus of Cyrene
In biology:
- Lycaon (genus), a genus containing one extant species, the African Wild Dog (L. pictus), and one extinct species, L. sekowei
- Canis lupus lycaon, the Eastern Wolf
In astronomy:
- 4792 Lykaon, an asteroid