Osman Zeki Korkmaz: every club managed, most recently A. Keciörengücü, 101 matches in the dugout. Appointment dates, records and the squads behind each spell.
| Club | From | To | Games | W-D-L |
|---|---|---|---|---|
| A. Keciörengücü | 2026-08-08 | 2026-08-08 | 1 | — |
| Vanspor | 2025-12-14 | 2026-05-01 | 22 | — |
| Sivasspor | 2025-08-09 | 2025-10-24 | 11 | — |
| Istanbulspor | 2024-01-22 | 2025-05-15 | 57 | — |
| Istanbulspor | 2022-08-05 | 2022-10-21 | 10 | — |