Olivia Maslov (born 14 June 2009) is a Polish rhythmic gymnast. She is the 2024 European hoop bronze medalist.
On national level, she is the 2023 Polish Junior All-around silver medalist. She also won silver medals in Hoop and Ball final and bronze in Clubs.
In 2024, Olivia won Polish Junior all-around title. She also won gold in hoop, silver in clubs and bronze medal in ball. Later, she was selected to represent Poland at the 2024 European Championships in Budapest, Hungary, together with Zlata Usanova and Kseniya Zhyzhych. They took 9th place in Team competition. She was doing two apparatus - clubs and hoop, with which she qualified to the final. She won bronze medal in Hoop Final.
She started her 2025 season in February, at Gracia Cup in Budapest, where she won silver medal in all-around. She took 5th place in all-around at Polish National Championships in March. On April 18-20, she made her World Cup debut in Baku, where she took 23rd place in all-around. In May, she competed at International tournament Pharaoh's Cup in Egypt, taking silver medals in hoop, ball and clubs and bronze medal in ribbon final.
In 2026, she took 4th place in all-around at Polish National Championships in March.