| Alejandro Siqueiros | |
| Fullname: | Alejandro Siqueiros Quiroz |
| Strokes: | Freestyle |
| Birth Date: | 1982 10, mf=yes |
| Birth Place: | Hermosillo, Sonora |
| Height: | 1.93m (06.33feet) |
| Weight: | 85kg (187lb) |
| Spouse: | Brittany Siqueiros |
Alejandro Siqueiros Quiroz (born October 28, 1982) is a male freestyle swimmer from Mexico. He represented his native country at the 2003 Pan American Games and the 2004 Summer Olympics.