Sternotomis variabilis, the Lesser Jewel Longhorn Beetle, is a species of flat-faced longhorn beetles belonging to the family Cerambycidae.
Sternotomis variabilis can reach a body length of 23-. The colors and markings of these longhorn beetles are very variable (hence the Latin name of the species). The coloration may be blue, dark green, greyish green or reddish brown, with white, pale blue, yellow or ochreous markings. Usually a wide, ochreous transverse band partially covers the pronotum and the elytra.
This species can be found in Angola, Central African Republic, Democratic Republic of the Congo and Uganda.