Miroslava "Mirka" Topinková Knapková (, born 19 September 1980) is a Czech rower who competed in single scull.
Knapková was born in 1980 in Brno in Czechoslovakia (since 1993 in the Czech Republic). Her father is Miroslav Knapek. At the 2011 World Rowing Championships, she became world champion in single scull at Lake Bled, Slovenia. She was the winner in the same discipline at the 2012 Summer Olympics. Between 2008 and 2015, she won the European Rowing Championships five times in this boat class.