Worldwide, Sulkja (Sulkja 
) is an extremely rare unknown gender forename. Predominantly, Sulkja is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sulkja | Greece, Italy, Spain, United States, Albania |
Max, Andrea, Ardian, Clirim, Bajame, Daniel, Dritan, Gerald, Gelkida, Lorenc, Lulzim, Valter, Vjollca, Indrit, Ornela, Xhezar, Martina, Anxhela, Blerina, Gentian, Lumturi, Taulant, Mimoza, Marjus, Zelis, Vathe, Sami, Alex, Andi, Agim, Gani, Luiz, Juli, Edda, Veiz, Ilir, Ilirjan, Mateo, Aleko, Anila, Agron, Afrim, Bujar, Denis, Jonuz, Elton, Erald, Erzen, Suela, and Marenglen