| Marcos | |
| Fullname: | Marcos Joaquim dos Santos |
| Height: | 1.830NaN0 |
| Birth Date: | 14 September 1975 |
| Position: | Central Defender |
| Youthyears1: | 1992–1995 |
| Years1: | 1995–1998 |
| Years2: | 1998–1999 |
| Years3: | 1999–2000 |
| Years4: | 2000–2003 |
| Years5: | 2003–2004 |
| Years6: | 2005 |
| Years7: | 2005 |
| Years8: | 2006–2009 |
| Caps1: | 30 |
| Caps2: | 6 |
| Caps3: | 5 |
| Caps4: | 69 |
| Caps5: | 13 |
| Caps7: | 28 |
| Caps8: | 162 |
| Goals1: | 6 |
| Goals2: | 0 |
| Goals3: | 0 |
| Goals4: | 5 |
| Goals5: | 0 |
| Goals7: | 1 |
| Goals8: | 11 |
Marcos Joaquim dos Santos, known as Marcos, (born September 14, 1975 in Caruaru) is a Brazilian former footballer who played as a central defender.