Janina Korowicka
| full name | Janina Urszula Korowicka | |
| nationality | Poland (POL) | |
| born | April 1954 | in Syców (Poland) |
| family | mother of Anni Friesinger-Postma mother of Jan Friesinger mother of Agnes Friesinger mother-in-law of Ids Postma | |
Championships - Medal table and top 10 positions
| kampioenschap | gold | silver | bronze | 4th-6th | 7th-10th | starts |
 Olympic Games | 0 | 0 | 0 | 0 | 0 | 3 |
| WCh Allround | 0 | 0 | 0 | 0 | 0 | 2 |
Championships - Results
| year | position | championship | place | |
| 1975 | 13 | WCh Allround | Assen | NED |
| 1976 | 26 | Olympic Games 1000 meters | Innsbruck | AUT |
| 19 | Olympic Games 1500 meters | Innsbruck | AUT | |
| 16 | Olympic Games 3000 meters | Innsbruck | AUT | |
| NC23 | WCh Allround | Gjøvik | NOR | |
