Miloslav Mečíř is a Slovak former professional tennis player. He won the men's singles gold medal at the 1988 Olympic Games, representing Czechoslovakia, and contested two major singles finals. In 1987 he won the WCT Finals, the season-ending championship for the World Championship Tennis tour. His son Miloslav Jr. is also a former professional tennis player.

Czechoslovakia's Miloslav Mečíř defeated the United States' Tim Mayotte in the final, 3–6, 6–2, 6–4, 6–2, to win the gold medal in Men's Singles tennis at the 1988 Summer Olympics. It was Czechoslovakia's first medal at the event. The United States' Brad Gilbert and Sweden's Stefan Edberg won the bronze medals. It was Sweden's first men's singles Olympic medal.