Kostya is a common diminutive form of the name Konstantin, often used in Slavic countries. It is a popular name for boys and is associated with various cultural figures, including athletes and artists. The name signifies steadfastness and endurance, reflecting its Greek origin, which means "constant" or "steadfast." In addition to being a name, Kostya can also refer to specific individuals, such as Kostya Tszyu, a former professional boxer from Russia who became a world champion. The name is often used affectionately among friends and family, highlighting its friendly and approachable nature.