Stellio may refer to:
Laudakia stellio, a species of lizard An obsolete name for the constellation Lacerta The modern proper name of Alpha Lacertae, the brightest star in Lacerta Steirastoma stellio, a species of beetle Synelasma stellio, a species of beetle Stellia gens, a family of ancient Rome The Roman name of Ascalabus, a figure in Greek mythology
People with the given name Stellio Lorenzi, a French screenwriter Stelio Zupancich, a Canadian ice hockey player Kémi Séba, an African political figure born Stellio Gilles Robert Capo Chichi