This is a list of foreign players in K League 1. * Players in bold are currently playing in K League 1. * Nationality is listed under the official K League player registration; players may acquire multiple citizenship. * If players have been capped for a national team, this nationality takes precedence over the nationality stated in the official K League player registration database. * In dual citizen annotation, if dual citizen players have an international career, the country listed in italics is the national team they have played for.