Nicholas Sprenger (born 14 May 1985) is an Australian middle-distance freestyle swimmer who won a silver medal in the 4×200-metre freestyle relay at the 2004 Summer Olympics in Athens. Coming from Brisbane, Queensland, Sprenger who is coached by spent the beginning of his career as the understudy of fellow Australians Ian Thorpe and Grant Hackett. After finishing third in the 200-metre freestyle at the 2003 Australian Championships, Sprenger was selected to make his debut at the age of 18 at the 2003 FINA World Championships in Barcelona, Spain, where he was a part of the 4×200-metre freestyle relay team which won gold ahead of the United States team. The following year, he was again third behind Thorpe and Hackett, and was a part of the team alongside Thorpe, Hackett and Michael Klim whi