Career
Stylianou made her official debut, as a 14-year-old, at the 2000 Summer Olympics in Sydney, where she placed forty-fourth overall in the women"s 100 m freestyle, with a time of 59.08 seconds. Eight years after competing in her last Olympics, Stylianou qualified for her second Cypriot team, as a 22-year-old, at the 2008 Summer Olympics in Beijing. She snared the third spot and twenty-seventh overall by three hundredths of a second (003) Austria"s Jördis Steinegger in 2:00.55.
In her second event, 100 m freestyle, Stylianou finished sixth on the same heat and thirty-sixth overall by 0.03 of a second behind Iceland"s Ragnheiður Ragnarsdóttir, lowering her Olympic time to 56.38.
At the 2012 Summer Olympics in London, Stylianou qualified only for the 200 m freestyle in a B-standard entry time of 2:00.88. Stylianou raced to fourth place by more than half a second (050) behind Mexico"s Liliana Ibanez, outside her entry time of 2:01.87.
Stylianou failed to advance into the semifinals, as she matched her overall position from Beijing in the preliminary heats.