An illuminated spare tire cover, designed to enclose an externally mounted spare tire, has an outer covering with a plurality of grommeted openings therethrough. The openings form a pattern. An electric light is located within each opening, such that a lighted image is created through the pattern when the lights are illuminated. Strips of Velcro® hold the lights in place. The lights can be configured as various images, logos, symbols, lettering, etc. An internal layer made of non-flammable material fits over the interior surface of the outer covering to insulate and support the cover and reinforce the lights located within the interior surface of the outer covering. The cover is equipped with electrical wiring and an electrical connector plug. An extension cord is connected to the vehicle's electrical outlet and run under the vehicle's seats to be connected to the electric connector plug.