Chantal Zita Gibney (born 28 December 1980) is an Irish former competitive swimmer who specialised in sprint and middle-distance freestyle events. Gibney became a semi-finalist in the 200-metre freestyle at the European Championships, and later represented Ireland, as a 19-year-old, at the 2000 Summer Olympics. She also holds numerous Irish records, long or short course, in a middle-distance freestyle double (200 and 400 m), and fifteen All-American honours, while attending the University of Florida.