The name Karas is a nickname type and likely originated from the name of the fish crucian carp (karas). The oldest written mention of the personal name Karas dates back to 1373 and comes from the village of Verkhne Nімецьке in the Sobraneckyi district, where Johannes dictus Karaz de Felnemty is mentioned. Other mentions include: in 1455 - Petro alias Karasz, and in 1565 - Karas Krulka.