Sophie Piest-Westenbroek
| full name | Sophie Piest-Westenbroek | |
| nationality | the Netherlands (NED) | |
| also active as | Westenbroek | |
| born | May 1948 | in unknown | 
Championships - Medal table and top 10 positions
| kampioenschap | gold | silver | bronze | 4th-6th | 7th-10th | starts | 
| WCh Allround | 0 | 0 | 0 | 0 | 2 | 4 | 
| WCh Sprint | 0 | 0 | 0 | 0 | 1 | 3 | 
Championships - Results
| year | position | championship | place | |
| 1975 | 8 | WCh Allround | Assen | NED | 
| 10 | WCh Sprint | Göteborg | SWE | |
| 1978 | 13 | WCh Allround | Helsinki | FIN | 
| 11 | WCh Sprint | Lake Placid | USA | |
| 1979 | 9 | WCh Allround | The Hague | NED | 
| 22 | WCh Sprint | Inzell | FRG | |
| 1980 | NC24 | WCh Allround | Hamar | NOR | 

