Miroslav ("Miro") Zajonc or Zayonc (born June 10, 1960) is a Slovak-born luger who competed for Czechoslovakia, Canada and the United States. Competing for Canada, he won the gold medal in the men's singles event at the 1983 FIL World Luge Championships in Lake Placid, New York in four record breaking runs. He represented the United States at the 1988 Winter Olympics.