| Stoyan Ormandzhiev | |
| Birth Date: | 10 January 1920 |
| Birth Place: | Sozopol, Kingdom of Bulgaria |
| Death Place: | Sofia, Bulgaria |
| Position: | Defender |
| Years1: | 1936 |
| Clubs1: | Radetski Varna |
| Years2: | 1937–1940 |
| Clubs2: | Vladislav |
| Caps2: | 56 |
| Goals2: | 5 |
| Years3: | 1941–1949 |
| Clubs3: | Lokomotiv Sofia |
| Caps3: | 112 |
| Goals3: | 6 |
| Nationalyears1: | 1938–1949 |
| Nationalteam1: | Bulgaria |
| Nationalcaps1: | 20 |
| Nationalgoals1: | 0 |
| Manageryears1: | 1950–1960 |
| Managerclubs1: | Bulgaria |
| Manageryears2: | 1963 |
| Managerclubs2: | Bulgaria |
| Manageryears3: | 1965–1969 |
| Managerclubs3: | CSKA Sofia |
| Manageryears4: | 1974–1975 |
| Managerclubs4: | Cherno More Varna |
| Manageryears5: | 1974–1977 |
| Managerclubs5: | Bulgaria |
| Manageryears6: | 1979–1980 |
| Managerclubs6: | Alpine Donawitz |
Stoyan Ormandzhiev (Bulgarian: Стоян Орманджиев; 10 January 1920 – 10 October 2006) was a Bulgarian footballer and manager, who managed two European clubs and the Bulgaria national team during his career.