Kostas
Meaning: “constant, steadfast”
About the name Kostas
Kostas is a boy name with Latin roots, meaning “constant, steadfast”. It is related to Constantine, which is where the meaning comes from.
It has a unique feel. In 2025, Kostas ranked #10247 for boys in the US, with 7 babies given the name. Its peak year since 1940 was 1974. Since 2000, 100% of US babies named Kostas were boys.
Etymology
Shares its root with Constantine, which comes from Latin, meaning “constant, steadfast”.
Name meaning adapted from Wiktionary (“Kostas”, “Constantine”) by Wiktionary contributors, CC BY-SA 4.0.
- US rank 2025
- #10247
- In 2015
- #13180
- Babies in 2025
- 7
Popularity of Kostas, 1940–2025
Latest SSA data: 2025.
Popularity data: U.S. Social Security Administration national baby names (public domain; names given to at least 5 babies of one sex per year).
Names similar to Kostas
Name meanings marked or linked “Wiktionary” are adapted from Wiktionary by Wiktionary contributors, CC BY-SA 4.0; each name page links its source entry.