Ian Wiley (born 5 May 1968 in Dublin) is an Irish slalom canoeist who competed at the international level from 1986 to 2000. He represented Ireland at several Olympic games and won gold at the 1996 European Canoe Slalom Championships.
Wiley was a European junior champion in 1984, and a silver medalist at the world Junior Championships in 1986 at Spittal, Austria.
He became the European Champion in K1 at the 1996 European Canoe Slalom Championships in Augsburg. Competing in three Summer Olympics, he earned his best finish of fifth in the K1 event at the 1996 Atlanta Olympics.
Wiley announced his competitive retirement after finishing outside the qualification places for the men's K1 slalom final at the 2000 Summer Olympics in Sydney.