| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Viljo Johannes•Aho | |
| Used name | Viljo•Aho | |
| Born | 2 November 1932 in Pobeda, Leningrad | |
| Died | 23 February 2013 (aged 80 years 3 months 21 days) in Sysmä, Päijät-Häme | |
| Measurements | 174 cm / 67-70 kg | |
| Affiliations | Lahden Ahkera — Lahti, Päijät-Häme | |
| NOC | Finland |
Switching between welterweight and light-middleweight during his entire career, Viljo Aho reached the third round as a welterweight at the 1960 Olympics, losing to Spaniard Andrés Navarro. Besides his Olympic appearance, Aho won light-middleweight bronze at the 1957 Nordic Championships, was Finnish light-middleweight champion in 1961, won silver at the 1960 and bronze at the 1957 Finnish Championships. His brother Matti also competed at the 1960 Olympics, as a light-heavyweight.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1960 Summer Olympics | Boxing | Viljo Aho | ||||
| Welterweight, Men (Olympic) | =9 |