Across the world, Dassios (Dassios 
) is an extremely rare unknown gender forename. Much more prevalently, Dassios is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Dassios | Germany, Belgium, Canada, United States, Greece |
Mr, Lambros, Ioannis, Michaël, Christos, Patricia, Dimitris, Dorothea, Georgios, Florenda, Dimitrios, Geraldine, Nektarios, Alessandra, Gerassimos, Lindinalva, Angelos, Eleftherios, Michaã, Vivian, Sam, Gus, Zoe, John, Nick, Panos, Takis, Monika, Alexis, Alessa, Alekos, Angelo, Petros, George, Gianna, Michael, and Konstantinos