| Oksana Olehivna Vashchuk | |
| Birth Date: | 1989 2, df=yes |
| Birth Place: | Ivanychi, Ukrainian SSR, Soviet Union |
| Sport: | Freestyle wrestling |
Oksana Vashchuk (born 11 February 1989 in Ivanychi, Ukrainian SSR) is a female freestyle wrestler from Ukraine who participated in women's freestyle wrestling 72 kg at 2008 Summer Olympics. She lost in 1/8 final to Maider Unda of Spain.