| Oleksii Khyzhniak | |
| Fullname: | Oleksii Serhiiovych Khyzhniak |
| Birth Date: | 2001 1, df=yes |
| Birth Place: | Dnipropetrovsk, Ukraine |
| Height: | 1.88 m |
| Position: | Centre-back |
| Youthyears1: | 2014 |
| Youthclubs1: | DYuSSh-2 Dnipro |
| Youthyears2: | 2014–2018 |
| Youthclubs2: | Dnipro |
| Years1: | 2017–2019 |
| Clubs1: | Dnipro (amateurs) |
| Caps1: | 16 |
| Goals1: | 0 |
| Years2: | 2019–2022 |
| Caps2: | 0 |
| Goals2: | 0 |
| Years3: | 2021–2022 |
| Clubs3: | → Nikopol (loan) |
| Caps3: | 3 |
| Goals3: | 0 |
| Nationalyears1: | 2016–2017 |
| Nationalcaps1: | 6 |
| Nationalgoals1: | 0 |
| Pcupdate: | 20 July 2022 |
Oleksii Serhiiovych Khyzhniak (Олексій Сергійович Хижняк; born 9 January 2001) is a Ukrainian professional footballer who plays as a centre-back.[1]