Across the world, Dejaco (Dejaco 
) is an extremely rare unknown gender first name. Predominantly, Dejaco is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Dejaco | Switzerland, United States, Germany, Italy, Austria |
| valerius dejaco 20th-century South Tyrolean politician, IT (b. 1914) |
|
Mr, Judee, Tomas, Elena, Emily, Vicki, Frani, Irene, Martin, Martha, Julie, Margit, Stefan, Albert, Andrew, Ariana, Carrie, Carmen, Curtis, Robert, Gustav, Manuel, Joann, Laura, Donna, Ana, Amy, Mark, Andy, Anna, Arno, Pire, Ruth, Lisa, Lynn, John, Norb, Hans, Maria, Mario, Sally, Kathy, Peggy, Renee, Diego, Donae, Gregor, and Laurin