| MKEK-4 Uğur | |
| Type: | Trainer |
| Manufacturer: | MKEK |
| Primary User: | Turkish Air Force |
| More Users: | Royal Jordanian Air Force |
| Number Built: | 57 |
The MKEK-4 Uğur (Turkish: "Luck") was a basic trainer aircraft which was used by the Turkish Air Force between 1955-1963. Originally developed as the THK-15, in total 57 Uğurs were produced in Turkey, all of which were used in the Turkish AF Flight School except three which were donated to the Royal Jordanian Air Force.