Mona McSharry (born 21 August 2000) is an Irish swimmer.
She is the holder of multiple breaststroke national senior records (50 m, 100 m and 200 m in long course, 50 m and 100 m in short course).
In August 2017, she earned the women's swimming title of 100 m breaststroke junior world champion during the World Junior Championships, in Indianapolis.
She has also competed in senior competitions, including the 2017 World Aquatics Championships.