Agios Kirykos (Greek: Άγιος Κήρυκος) is a town and a former municipality on the island of Ikaria, North Aegean, Greece. Since the 2011 local government reform it is part of the municipality Ikaria, of which it is a municipal unit. Its population was 3,565 at the 2021 census (2,958 for the town itself), and its land area is 74.7 square kilometres (28.8 square miles). It is the administrative capital of Ikaria and the Ikaria regional unit (which includes the islands of Fourni).
