| Guga | |
| Fullname: | José Augusto Santana dos Santos |
| Birth Date: | 14 March 1977 |
| Birth Place: | Rosário do Catete, Brazil |
| Position: | Attacking midfielder |
| Years1: | 1996 |
| Years2: | 1997–1998 |
| Years3: | 1998–2000 |
| Years4: | 2000–2001 |
| Years5: | 2001–2004 |
| Years6: | 2004–2005 |
| Years7: | 2006–2007 |
| Years8: | 2007–2010 |
| Clubs1: | Maruinense |
| Clubs8: | Olhanense |
| Caps3: | 33 |
| Caps4: | 30 |
| Caps5: | 69 |
| Caps6: | 25 |
| Caps7: | 19 |
| Caps8: | 47 |
| Totalcaps: | 223 |
| Goals3: | 10 |
| Goals4: | 8 |
| Goals5: | 8 |
| Goals6: | 3 |
| Goals7: | 3 |
| Goals8: | 1 |
| Totalgoals: | 33 |
José Augusto Santana dos Santos (born 14 March 1977 in Rosário do Catete, Sergipe), commonly known as Guga, is a Brazilian retired footballer who played as an attacking midfielder.
He spent most of his professional career in Portugal, representing five clubs over the course of eight Primeira Liga seasons (11 years in total).