In 2016 Season, Filiou competed at the 30th Thiais Grand Prix event in Paris, where she finished 17th in the all-around. On April 1–3, Filiou competed at the 2016 Pesaro World Cup where she finished a disappointing 37th in the all-around. On May 27–29, Filiou finished 8th in the all-around at the 2016 Sofia World Cup with a total of 70.350 points, she qualified to 3 apparatus finals. On June 17–19, Filiou competed at the 2016 European Championships where she finished in 14th place. On July 8–10, Filiou then finished 10th in the all-around at the 2016 Kazan World Cup with a total of 70.950 points - a personal best score for Filiou, she also qualified in the hoop finals finishing in 7th place. On August 19–20, Filiou competed at the 2016 Summer Olympics held in Rio de Janeiro, Brazil. She finished 15th in the rhythmic gymnastics individual all-around qualifications and did not advance into the top 10 finals.