What does Dionysios mean?
Dionysios /di-ony-s-ios/ [4 sylls.] as a boys' name is an alternate spelling of Dionysius. Compare last name Donchez.
How popular is Dionysios?
Dionysios is an unusual given name for men. Dionysios is also an unusual surname for both adults and children. (2000 U.S. Census)
Below is a graphed analysis of the usage of the boy name Dionysios and affiliated names. Dionisio and Dion are the prominent alternative forms of Dionysios (not ranked) appearing in the Top 1000. Forms like Dionio are uncommon. Adoption of these boy names reached its highest during the years 1970-1979 (usage of 0.29%) and has become much lower since, with the version Dion becoming less in vogue. (2014 Birth Statistics)