| Walter Zermatten | |
| Fullname: | Walter Fabián Zermatten |
| Birth Date: | 14 October 1971 |
| Birth Place: | Isidro Casanova, Argentina |
| Currentclub: | Cañuelas Fútbol Club |
| Position: | Midfielder |
| Years1: | 1992–1994 |
| Years2: | 1994–1995 |
| Years3: | 1995–1996 |
| Years4: | 1996–1997 |
| Years5: | 1997–1999 |
| Years6: | 1999 |
| Years7: | 2000 |
| Years8: | 2001–2002 |
| Years9: | 2002 |
| Years10: | 2004 |
| Years11: | 2005 |
| Years12: | 2005 |
| Years13: | 2006 |
| Years14: | 2006–2008 |
| Years15: | 2008– |
| Clubs1: | Argentinos Juniors |
| Clubs2: | Instituto |
| Clubs3: | Andino Sport Club |
| Clubs4: | Temperley |
| Clubs5: | Banfield |
| Clubs6: | Defensores de Belgrano |
| Clubs7: | Querétaro |
| Clubs8: | Deportivo Quito |
| Clubs9: | Técnico Universitario |
| Clubs10: | Deportivo Táchira |
| Clubs11: | Dinamo Tirana |
| Clubs12: | The Strongest |
| Clubs13: | C.D.Argentino Monte Maíz (Argentina) |
| Clubs14: | Club Sportivo Rivadavia (Venado Tuerto) |
| Clubs15: | River Plate PR |
| Caps1: | 20 |
| Goals1: | 1 |
Walter Fabián Zermatten (born 14 October 1971 in Isidro Casanova) is an Argentine footballer[1] who coaches the River Plate PR in the Puerto Rico Soccer League.[2] He is married and is the father of two. As a player, he made his professional debut at the age of 21. After playing for the River Plate PR he became their coach in 2009.
Zermatten previously played for Argentinos Juniors in the Primera División Argentina.[3] He also had a spell with Deportivo Quito in Serie A de Ecuador.[4]