The name "Horko" is formed by adding the suffix -ko to the anthroponym "Hor-". It has both Slavic and Greek origins. Among Slavic names, one can find examples such as "
Hora," "
Horyn," "
Horyslav," and others. The Greek interpretation may connect this name with the calendar name "Gregory." Among Serbian names, there are also variants such as "Horko," "Horo," "Horota," and "Horrosha."