Baby Names Boy Names Meaning of the Name Kosta Updated December 14, 2025 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: Nichola, Dmitri, Kaito, Milo, Kynton, Elias, Knox, Siri, Gaia, Ivy, Nyx, Eris, Rhea, Nora Names like Kosta: Kit, Katy, Kazuhito, Kazuto, Kiyoto, Koto, Keita, Kashiti, Kitty, Kostya, Katya, Katia, Kody, Kittiya, Kota, Kayode, Koit, Kaethe, Keith, Kaede, Kotoyo, Kitt, Kwadwo, Kade, Kida, Katie, Kiet, Keitha, Kata, Keto 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