Baby Names Boy Names Meaning of the Name Kosta Updated April 16, 2026 by Jennifer M. Kosta Gender: Male Origin: Bulgarian Meaning: Constant, Steadfast ♥ Add to my Namelist What is the meaning of the name Kosta? The name Kosta is primarily a male name of Bulgarian origin that means Constant, Steadfast. People who like the name Kosta also like: Elias, Dmitri, Kynton, Kentavious, Kaito, Knox, Milo, Nyx, Rhea, Ava, Ivy, Stella, Mae, Nora Names like Kosta: Kaethe, Kaito, Koda, Kayode, Katia, Keita, Kaida, Kassidy, Katie, Koit, Kate, Kiet, Kazuto, Kade, Kouta, Kathy, Kato, Keitha, Katya, Kostya, Koto, Kit, Kiyoto, Keith, Kota, Kody, Kwadwo, Katet, Kittiya, Katy Stats for the Name Kosta Kosta is currently not in the top 100 on the Baby Names Popularity Charts Kosta is currently not ranked in U.S. births