Paul Adam Belk (born 12 June 1977) is a British former competitive swimmer who swam in the 2000 Summer Olympics in Sydney, Australia. Belk competed for the British men's team in the preliminary heats of the 4x100-metre freestyle relay. Immediately prior to the 2000 Olympics, Belk swam in the 2000 FINA Short Course World Championships in Athens, winning a bronze medal in the 4x100-metre freestyle relay. The following year as the 2001 World University Games in Beijing, he was a member of the first-place British team in the men's 4x100-metre freestyle relay.