| Ostap Markevych | |
| Fullname: | Ostap Myronovych Markevych |
| Birth Date: | 1978 4, df=yes |
| Birth Place: | Ukrainian SSR |
| Years1: | 1997–1998 |
| Caps1: | 1 |
| Goals1: | 0 |
| Manageryears1: | 2016–2019 |
| Managerclubs1: | Villarreal (youth) |
| Manageryears2: | 2019 |
| Managerclubs2: | Ahrobiznes Volochysk |
| Manageryears3: | 2019–2020 |
| Managerclubs3: | Chornomorets Odesa |
| Manageryears4: | 2020–2022 |
| Managerclubs4: | Mariupol |
| Manageryears5: | 2022–2023 |
| Managerclubs5: | Radunia Stężyca |
Ostap Markevych (uk|Остап Миронович Маркевич; born 4 April 1978) is a Ukrainian football manager and former football and futsal player. He was most recently in charge of Polish II liga club Radunia Stężyca.
He is a son of a notable Ukrainian coach Myron Markevych.[1]
He worked as a manager for Villarreal CF.[1] On 14 November 2022, he was announced as the new manager of Polish club Radunia Stężyca, replacing Sebastian Letniowski.[2] On 13 May 2023, with Radunia just one spot and one point above the relegation zone with three matchdays to go, Markevych was relieved of his duties.[3]