Cognomen Luciô (Lucius 
, Lúcio 
, Luciô) , around the globe, is quite a common last name. The last name Luciô is characteristic of Luxembourg, where it is quite a common surname, Portugal, where it is quite a rare surname, and Angola. In absolute terms, it is the most numerous in the United States, Nigeria, and Germany. Also, Luciô is the forename as well as the last name.