| Juca Viana | |
| Fullname: | Jovino Soares Viana Júnior |
| Birth Date: | 21 July 1985 |
| Birth Place: | Brazil |
| Position: | Midfielder |
| Years1: | 2006 |
| Caps1: | 0 |
| Goals1: | 0 |
| Years2: | 2006 |
| Caps2: | 15 |
| Goals2: | 2 |
| Years3: | 2007–2011 |
| Years4: | 2008 |
| Clubs4: | → ŁKS Łódź (loan) |
| Caps4: | 12 |
| Goals4: | 2 |
| Years5: | 2010 |
| Clubs5: | → América-RN (loan) |
| Caps5: | 3 |
| Goals5: | 0 |
| Years6: | 2012 |
| Years7: | 2012 |
| Years8: | 2013–2014 |
| Years9: | 2014 |
| Years10: | 2015 |
| Years11: | 2015 |
| Years12: | 2016 |
| Years13: | 2017–2020 |
Jovino Soares Viana Júnior (born 21 July 1985), known as just Juca Viana, is a Brazilian former professional footballer who played as a midfielder.