Kalia Antoniou (Greek: Κάλια Αντωνίου; born 6 April 2000) is a Cypriot swimmer.
She competed in the women's 50 metre backstroke event at the 2017 World Aquatics Championships.
[2][3] In 2019, she won four silver medals at the Games of the Small States of Europe held in Budva, Montenegro.
[4] In 2019, she also represented Cyprus at the World Aquatics Championships held in Gwangju, South Korea.
This biographical article related to a Cypriot swimmer is a stub.