Natalia Hadjiloizou (Greek: Ναταλία Χατζηλοΐζου; born 23 March 1979 in Vitebsk, Belarus as Natalya Baranovskaya; Belarusian: Наталля Бараноўская, romanized: Natallya Baranowskaya; Russian: Наталья Барановская) is a professional Cypriotswimmer.
Hadjiloizou also competed in the 2000 Summer Olympics in Sydney for Belarus, where she placed 6th in the 200 m freestyle and did not advance out of the preliminary heats in the 400 m freestyle.