Guillermo Fernández
Guillermo Fernández may refer to:
- Guillermo Fernández de Soto, Colombian lawyer and diplomat
- , Spanish film director, Proyecto Dos
- , Argentinian journalist and film director, curator of the Museo del Cine Pablo Ducrós Hicken
- Guillermo Fernández Romo, Spanish football manager
- Guillermo Fernández-Shaw, Spanish poet and journalist
- Guillermo Fernández Vara, Spanish politician and coroner
- Guillermo Fernández (artist), Uruguayan visual artist
- Guillermo Fernández (footballer, born 1991), Argentine footballer
- Guillermo Fernández (footballer, born 1993), Spanish footballer
- Guillermo Fernández (footballer, born 2008), Spanish footballer