| César Muñiz Fernández | |
| Fullname: | César Muñiz Fernández |
| Birth Date: | 1970 5, df=yes |
| Birth Place: | Brussels, Belgium |
| Otheroccupation: | Student |
| Years1: | 1991—1994 |
| League1: | Tercera |
| Role1: | Referee |
| Years2: | 1994—1997 |
| League2: | Segunda B |
| Role2: | Referee |
| Years3: | 1997—2000 |
| League3: | Segunda |
| Role3: | Referee |
| Years4: | 2000—2014 |
| League4: | La Liga |
| Role4: | Referee |
| Internationalyears1: | 2007—2014 |
| Confederation1: | FIFA |
| Internationalrole1: | Referee |
César Muñiz Fernández (born 18 May 1970, in Anderlecht, Brussels) is a Belgian-born Spaniard retired association football referee[1] who operates in the top league of Spanish football, La Liga. He has been a FIFA-listed referee since 2007.