Xanthus (; , Xanthos, "yellow, blond") or Xanthos may refer to:
In Greek mythology Xanthos (King of Thebes), the son of Ptolemy, killed by Andropompus or Melanthus Xanthus (mythology), several figures, including gods, men, and horses Balius and Xanthus, the horses of Achilles
People Xanthus, Greek philosopher, master of the slave and fabulist Aesop Xanthus (historian), mid-5th century BC logographer who wrote a history of Lydia Xanthos Hadjisoteriou (1920-2003), Greek Cypriot painter and interior designer Xanthus Pagninius (1470–1541), Dominican, leading philologist and Biblical scholar Xanthus Russell Smith, American artist Xanthos (surname)
Geography Xanthus (city) or Xanthos, city in ancient Lycia, the site of present-day Kınık, Antalya Province, Turkey Xanthus (river) or Xanthos, river in ancient Lycia on which the city Xanthus was situated Xanthus (Lesbos) or Xanthos, a town of ancient Lesbos, Greece Xanthus Spur on the Trojan Range, mountain range in the Palmer Archipelago of the British Antarctic Territory
The arts Xanthus, the antagonist in the musical People Are Wrong! Xanthus, the fictional character in Robert Newcomb's fantasy series Blood and Stone Xanthus, the name of Aristotle Bolt's estate in the Disney movie Escape to Witch Mountain (1975 film)
Species Calliostoma xanthos, a species of sea snail Cephonodes xanthus, a moth of the family Sphingidae Myxococcus xanthus, a proteobacterium Paracirrhites xanthus, a hawkfish from the Eastern Central Pacific Protambulyx xanthus, a synonym for Protambulyx eurycles, a species of moth of the family Sphingidae
Other uses Xanthus, the Latin form of Xanthos, an ancient Lycian city 4544 Xanthus, an asteroid , a class of five auxiliary ships built for the United States Navy and Royal Navy USS Xanthus, a Xanthus-class repair ship acquired by the United States Navy
See also Xanthus stele or Xanthian Obelisk, a stele bearing an inscription currently believed to be trilingual, in the ancient Lycian city of Xanthos Euxanthus Xanthius Xantho Xanthosis