Nick Sweeney (born 26 March 1968 in Dublin) is a retired Irish discus thrower, who represented his native country in four consecutive Summer Olympics, starting 1992 (Barcelona, Spain). He is the current Irish national record holder in the discus (67.89 m), and won a total number of ten Irish national discus titles (1987, 1991–1997, 1999 & 2000). He finished 6th at the 1993 World Championships in Stuttgart.