Family name Dionysia (Denise 
, Dionysia , Дионисия 
) , all around the world, is a common surname. The cognomen Dionysia is characteristic of Greece, where it is a common surname, Reunion, where it is quite a common surname, and Cameroon, where it is quite a rare surname. Measured by absolute frequency, it is the most numerous in Greece, Mexico, and the United States. Much more frequently, Dionysia is the forename as well as the last name.