| Diego Viana | |
| Fullname: | Diego Sehnem Viana |
| Birth Date: | 5 May 1983 |
| Birth Place: | Feliz, Brazil |
| Currentclub: | Avaí |
| Position: | Striker |
| Years1: | 2004–2005 |
| Years2: | 2005–2006 |
| Years3: | 2006–2007 |
| Years4: | 2008–2009 |
| Years5: | 2009–2012 |
| Years6: | 2012–2014 |
| Years7: | 2014 |
| Clubs5: | SC Wiener Neustadt |
| Clubs6: | Portuguesa |
| Clubs7: | Avaí |
| Caps1: | 27 |
| Caps2: | 30 |
| Caps3: | 7 |
| Caps4: | 32 |
| Caps5: | 28 |
| Caps6: | 24 |
| Caps7: | 3 |
| Goals1: | 17 |
| Goals2: | 38 |
| Goals3: | 1 |
| Goals4: | 20 |
| Goals5: | 6 |
| Goals6: | 1 |
| Goals7: | 0 |
| Years8: | 2015 |
| Clubs8: | Aimoré |
| Caps8: | 4 |
| Goals8: | 0 |
| Years9: | 2015 |
| Clubs9: | Blumenau |
| Years10: | 2016 |
| Clubs10: | Aimoré |
| Caps10: | 4 |
| Goals10: | 0 |
| Years11: | 2016 |
| Caps11: | 7 |
| Goals11: | 3 |
| Years12: | 2016 |
| Caps12: | 6 |
| Goals12: | 1 |
Diego Sehnem Viana (born 5 May 1983) is a Brazilian former footballer who played as a striker.