| Full Name: | Guillermo Falasca Fernández |
| Nationality: | Spanish |
| Birth Place: | Mendoza, Argentina |
| Height: | 200 cm |
| Show-Medals: | yes |
| Medals-Title: | Medal record |
Guillermo Falasca Fernández (born October 24, 1977) is a Spanish volleyball player born in Argentina. Falasca became topscorer and best server at the 2005 European League, in which Spain ended up in third place in the overall-rankings.And he was a member of South Korean Gumi LIG Insurance Greaters in the V-League 2007–08 season. A resident of Málaga he was a member of the Men's National Team that won the 2007 European title in Moscow, Russia.He has two daughters, Alessia Falasca (2006) and Martina Falasca (2010).