| Mark Assinor | |
| Full Name: | Mark Assinor Osei |
| Height: | 1.83 m[1] |
| Birth Date: | 13 July 2000 |
| Birth Place: | Ghana |
| Currentclub: | LNZ Cherkasy |
| Clubnumber: | 90 |
| Position: | Forward |
| Years2: | 2019–2020 |
| Clubs2: | Zalesianka Zalesie |
| Caps2: | 12 |
| Goals2: | 5 |
| Years3: | 2020–2022 |
| Clubs3: | Sokół Kocmyrzów |
| Caps3: | 48 |
| Goals3: | 31 |
| Years4: | 2022–2023 |
| Clubs4: | Hutnik Kraków |
| Caps4: | 14 |
| Goals4: | 3 |
| Years5: | 2023 |
| Clubs5: | → Garbarnia Kraków (loan) |
| Caps5: | 13 |
| Goals5: | 6 |
| Years6: | 2023–2024 |
| Caps6: | 28 |
| Goals6: | 6 |
| Years7: | 2024– |
| Clubs7: | LNZ Cherkasy |
| Caps7: | 0 |
| Goals7: | 0 |
| Club-Update: | 26 May 2024 |
Mark Assinor Osei (born 13 July 2000) is a Ghanaian professional footballer who plays for Ukrainian Premier League club LNZ Cherkasy as a forward.
Assinor made his Slovak Super Liga debut for Podbrezová against Spartak Trnava on 20 August 2023.[2]