Alena Prosková
| Personal information | |
|---|---|
| Nationality | Czech | 
| Born | 29 April 1948 Plzeň, Czechoslovakia  | 
| Sport | |
| Country | Czechoslovakia | 
| Sport | Athletics | 
| Event | High jump | 
Alena Prosková, married Plischkeová (born 29 April 1948) is a Czech athlete. She competed for Czechoslovakia in the women's high jump at the 1972 Summer Olympics.
Her daughter Sylvia Plischke was a professional tennis player.