| Julián Simón | 
|---|
|  | 
| Nationality | Spanish | 
|---|
| Born | (1987-04-03) 3 April 1987 Villacañas, Spain
 | 
|---|
| 
| Motorcycle racing career statistics | 
|---|
 | Moto2 World Championship | 
|---|
 | Active years | 2010–2017 | 
|---|
 | Manufacturers | RSV, Suter, FTR, Kalex, Speed Up, Tech 3 | 
|---|
 | Championships | 0 | 
|---|
 | 2017 championship position | 40th (0 pts) | 
|---|
 |  |  | 250cc World Championship | 
|---|
 | Active years | 2007–2008 | 
|---|
 | Manufacturers | Honda, KTM | 
|---|
 | Championships | 0 | 
|---|
 | 2008 championship position | 10th (109 pts) | 
|---|
 |  |  | 125cc World Championship | 
|---|
 | Active years | 2002–2006, 2009 | 
|---|
 | Manufacturers | Honda, Malaguti, KTM, Aprilia | 
|---|
 | Championships | 1 (2009) | 
|---|
 | 2009 championship position | 1st (289 pts) | 
|---|
 |  |  | Superbike World Championship | 
|---|
 | Active years | 2017 | 
|---|
 | Manufacturers | Aprilia | 
|---|
 | Championships | 0 | 
|---|
 | 2017 championship position | 34th (4 pts) | 
|---|
 |  |  | 
In this 
Spanish name, the first or paternal
 surname is 
 Simón and the second or maternal family name is 
 Sesmero.
Julián Simón Sesmero (born 3 April 1987) is a Spanish motorcycle racer. He is best known for winning the 2009 125cc World Championship.