Tour of Siam
| Race details | |
|---|---|
| Date | January |
| Region | Thailand |
| Local name(s) | ทัวร์ ออฟ สยาม (in Thai) |
| Discipline | Road |
| Competition | UCI Asia Tour 2.2 |
| Type | Stage race |
| Web site | www |
| History | |
| First edition | 2005 |
| Editions | 3 |
| Final edition | 2007 |
| First winner | Shinichi Fukushima (JPN) |
| Final winner | Jai Crawford (AUS) |
The Tour of Siam was an annual professional road bicycle racing stage race held in Thailand from 2005 to 2007 as part of the UCI Asia Tour.