| Diego Santos | |
| Fullname: | Paulo Diego Messias dos Santos |
| Birth Date: | 9 August 1988 |
| Birth Place: | Rio de Janeiro, Brazil |
| Currentclub: | Olímpico |
| Position: | Midfielder |
| Years1: | 2011–2012 |
| Clubs1: | Sriwijaya |
| Caps1: | 12 |
| Goals1: | 3 |
| Years2: | 2012–2013 |
| Caps2: | 18 |
| Goals2: | 7 |
| Years3: | 2013–2014 |
| Clubs3: | PSMS Medan |
| Caps3: | 16 |
| Goals3: | 8 |
| Years4: | 2016 |
| Clubs4: | Semen Padang |
| Caps4: | 12 |
| Goals4: | 0 |
| Years5: | 2017–2018 |
| Clubs5: | Atlantico |
| Caps5: | 1 |
| Goals5: | 0 |
| Years6: | 2019–2020 |
| Clubs6: | Batatais |
| Caps6: | 8 |
| Goals6: | 3 |
| Years7: | 2020 |
| Clubs7: | América |
| Caps7: | 5 |
| Goals7: | 0 |
| Years8: | 2020–2021 |
| Clubs8: | Atlético Acreano |
| Caps8: | 10 |
| Goals8: | 0 |
| Years9: | 2021–2022 |
| Clubs9: | Icasa |
| Caps9: | 20 |
| Goals9: | 2 |
| Years10: | 2022 |
| Clubs10: | → Jaciobá (loan) |
| Caps10: | 10 |
| Goals10: | 0 |
| Years11: | 2022– |
| Clubs11: | Olímpico |
| Caps11: | 27 |
| Goals11: | 1 |
Paulo Diego Messias dos Santos[1] or Didi (born August 9, 1987) is a Brazilian football player who plays as a midfielder for Olímpico. In 2013 season, he left Indonesian club Persiba Balikpapan after his debut against Sriwijaya F.C. in the opening match of 2013 Indonesia Super League season, he played for 25 minutes before suffering a severe ankle injury in a collision with the opposing team defender.