| Olha Vashchuk | |
| Fullname: | Olha Vashchuk |
| Nationality: | Ukrainian |
| Birth Date: | 13 August 1987 |
| Birth Place: | Zaporizhzhia, Ukraine |
| Position: | Right back |
| Currentclub: | Kastamonu Bld. GSK (women's handball) |
| Clubnumber: | 99 |
| Years1: | 2003–2005 |
| Clubs1: | HC Motor Zaporizhzhia |
| Years2: | 2005–2009 |
| Clubs2: | SC Galytchanka Lviv |
| Years3: | 2009–2010 |
| Clubs3: | CS Oltchim Râmnicu Vâlcea |
| Years4: | 2010–2011 |
| Clubs4: | Fehérvár KC |
| Years5: | 2011–2012 |
| Clubs5: | Rostov-Don |
| Years6: | 2012–2013 |
| Clubs6: | ŽRK Metalurg |
| Years7: | 2013-? |
| Clubs7: | Ardeşen GSK |
| Years9: | 2020 |
| Clubs9: | Fehérvár KC |
| Nationalteam1: | Ukraine |
| Nationalcaps1: | 91 |
| Nationalgoals1: | 38 |
| Ntupdate: | 8 December 2012 |
| Clubs8: | Kastamonu Bld. GSK (women's handball) |
| Years8: | ?-2020 |
Olha Vashchuk (born uk|Ольга Ващук; 13 August 1987)[1] is a Ukrainian (until 2014) and Turkish (since 2014) handballer playing for the Turkish club Ardeşen GSK in right back position. She played for Ukrainian national team (until 2014).
Formerly, she was with the Macedonian team ŽRK Metalurg.