Birgit Koschischek
| Personal information | |
|---|---|
| Nationality | Austria | 
| Born | 22 May 1987 Vienna, Austria  | 
| Height | 1.69 m (5 ft 6+1⁄2 in) | 
| Weight | 60 kg (132 lb) | 
| Sport | |
| Sport | Swimming | 
| Strokes | Freestyle, butterfly | 
| Club | SV Schwechat | 
| Coach | Adam Thoroczkay | 
Birgit Koschischek (born 22 May 1987 in Vienna) is an Austrian swimmer, who specialized in sprint freestyle and butterfly events. She is a two-time Olympian, a four-time Austrian long and short course record holder, and a member of Schwechat Swimming Club (German: Schwimmverein Schwechat) in Schwechat, under her personal coach Adam Thoroczkay.