Mirek Mazur (born January 12, 1961, in Jelcz, Poland) is a Canadian cycling coach.
Developed three world champions in three different countries (Poland, US, Canada).
Under his direction, Canadian riders won three medals at the Olympic Games in Atlanta in 1996.
Cycling coach of Clara Hughes, the only person ever to have won multiple medals in both Summer and Winter Olympics.
His son Peter Mazur has won 2000 World Junior Time Trial Championship and 2000 Junior World Cup overall.