Rhopalizus nitens is a species of round-necked longhorn beetles of the subfamily Cerambycinae.
Rhopalizus nitens can reach a body length of about in males, of about in females. The basic color is blue, with completely black legs in the subspecies Rhopalizus nitens nigripes.
This species can be found in Sierra Leone, Liberia, Ivory Coast, Ghana, Togo, Benin, Cameroon, Central Africa, Sudan, Zaire, Equatorial Guinea, Gabon and Democratic Republic of Congo.