Kaloyanov is a Bulgarian patronymic surname meaning "son of Kaloyan".EtymologyThe name Kaloyan itself derives from the Greek phrase kalos Ioannes, meaning "handsome John". It was the nickname of a 13th-century Emperor of Bulgaria who successfully defended the empire from the Fourth Crusade. Thus, Kaloyanov indicates one who is a descendant of Kaloyan.DistributionAccording to surname distribution data from Forebears, Kaloyanov is predominantly found in Bulgaria. It is a relatively rare surname, concentrated in the Balkan region. The feminine form is Kaloyanova.Meaning: "son of Kaloyan" (handsome John)Origin: Bulgarian patronymic from Greek ⟨kalos Ioannes⟩Type: SurnameUsage: BulgarianRelated names: Kaloyan (root), Kaloyanchev (variant)