Hari Narayan Singh
| Mahamalla Hari Narayan Rai | |
|---|---|
| Born | 1864 Kundesar, Ghazipur, Uttar Pradesh, India |
| Died | 4 June 1949 (aged 85) Varanasi, India |
| Professional wrestling career | |
| Ring name | Hari Narayan Rai |
| Billed height | 6 ft 4 in (193 cm) |
Mahamalla Hari Narayan Rai (1864 – 4 June 1949) is the ring-name of Hari Narayan Rai.