Surname Dionísia (Dionisia 
, Dionísia 
) , throughout the world, is a common last name. The surname Dionísia is habitual in Spain, where it is quite a common surname, Nicaragua, where it is quite a rare surname, and Mexico. Measured by absolute frequency, this name is the most popular in Mexico, Spain, and Venezuela. More frequently, Dionísia is the forename as well as the last name.