| Glaydson | |
| Fullname: | Glaydson Marcelino Freire |
| Birth Date: | 20 June 1979 |
| Birth Place: | Contagem, Brazil |
| Position: | Defensive midfielder |
| Youthyears1: | 1997–1999 |
| Years1: | 1999 |
| Years2: | 2000 |
| Years3: | 2001 |
| Years4: | 2002 |
| Years5: | 2003 |
| Years6: | 2004 |
| Years7: | 2005 |
| Years8: | 2005–2006 |
| Years9: | 2007 |
| Years10: | 2007–2009 |
| Years11: | 2009–2012 |
| Caps11: | 69 |
| Goals11: | 2 |
| Clubs11: | Internacional |
| Years12: | 2012 |
| Caps12: | 4 |
| Goals12: | 0 |
| Clubs12: | → Náutico (loan) |
Glaydson Marcelino Freire or simply Glaydson (born 20 June 1979), is a Brazilian former football defensive midfielder.[1] He also played as a right back.[2]