| Oleksandr Demchenko | |
| Fullname: | Oleksandr Viktorovych Demchenko |
| Birth Date: | 13 February 1996 |
| Birth Place: | Vinnytsia, Ukraine |
| Height: | 1.81 m |
| Position: | Midfielder |
| Currentclub: | Kolos Kovalivka |
| Clubnumber: | 7 |
| Youthyears1: | 2008–2009 |
| Youthclubs1: | Nyva Vinnytsia |
| Youthyears2: | 2009–2010 |
| Youthclubs2: | Shakhtar Donetsk |
| Youthyears3: | 2010–2011 |
| Youthclubs3: | Nyva Vinnytsia |
| Youthyears4: | 2011–2013 |
| Youthclubs4: | LVUFK Lviv |
| Years1: | 2013–2015 |
| Clubs1: | Illichivets Mariupol |
| Caps1: | 0 |
| Goals1: | 0 |
| Years2: | 2015–2016 |
| Clubs2: | Vinnytsia (amateurs) |
| Caps2: | 21 |
| Goals2: | 7 |
| Years3: | 2016–2017 |
| Caps3: | 5 |
| Goals3: | 0 |
| Years4: | 2017–2019 |
| Clubs4: | Portuense |
| Years5: | 2019 |
| Caps5: | 10 |
| Goals5: | 2 |
| Years6: | 2019 |
| Clubs6: | Metalist 1925 Kharkiv |
| Caps6: | 0 |
| Goals6: | 0 |
| Years7: | 2019–2020 |
| Caps7: | 13 |
| Goals7: | 0 |
| Years8: | 2020–2021 |
| Clubs8: | Nyva Ternopil |
| Caps8: | 13 |
| Goals8: | 1 |
| Years9: | 2021 |
| Caps9: | 13 |
| Goals9: | 1 |
| Years10: | 2021–2022 |
| Clubs10: | Oleksandriya |
| Caps10: | 28 |
| Goals10: | 1 |
| Years11: | 2023 |
| Clubs11: | Chornomorets Odesa |
| Caps11: | 13 |
| Goals11: | 3 |
| Years12: | 2023– |
| Clubs12: | Kolos Kovalivka |
| Caps12: | 28 |
| Goals12: | 0 |
| Pcupdate: | 20 June 2024 |
Oleksandr Demchenko (Ukrainian: Олександр Вікторович Демченко; born 13 February 1996) is a Ukrainian professional footballer who plays as a midfielder for Kolos Kovalivka.
Born in Vinnytsia, Demchenko is a product of the sportive schools from his native city and of the Shakhtar Donetsk academy and Lviv State School of Physical Culture.[1]
After playing in the lower leagues teams in Ukraine and Italy, in July 2021, he signed a contract with the Ukrainian Premier League side Oleksandriya.