Mas Tirtodarmo Haryono | |
|---|---|
 | |
| Born | 20 January 1924 Surabaya, Soerabaja Residency, Dutch East Indies |
| Died | 1 October 1965 (aged 41) Lubang Buaya, East Jakarta, Indonesia |
| Buried | 6°15′26″S 106°50′46″E / 6.25722°S 106.84611°E |
| Allegiance | Indonesia |
| Years of service | 1945–1965 |
| Rank | Major General (at death) Lieutenant General (posthumously) |
| Battles / wars | Indonesian National Revolution |
| Awards | National Hero of Indonesia |
Lieutenant General Mas Tirtodarmo Haryono (20 January 1924 – 1 October 1965) was a general officer in the Indonesian Army who was killed during an attempt to kidnap him from his home by members of the 30 September Movement in the early hours of 1 October 1965.