| Intro | Cameroonian bicycle racer |
| Is |
Athlete Sport cyclist |
| From | Cameroon |
| Type | Sports |
| Gender | male |
| Birth |
5 September 1960 |
| Age | 60 years |
| Star sign | Virgo |
Thomas Siani (born 5 September 1960) is a Cameroonian former cyclist. He competed in the individual road race event at the 1984 Summer Olympics.