| Jailson | |
| Fullname: | Jailson Marcelino dos Santos |
| Birth Date: | 20 July 1981 |
| Birth Place: | São José dos Campos, Brazil |
| Height: | [1] |
| Position: | Goalkeeper |
| Youthclubs1: | Joseense |
| Years1: | 2003 |
| Clubs1: | Campinense |
| Years2: | 2004–2005 |
| Clubs2: | Joseense |
| Years3: | 2005–2006 |
| Clubs3: | Ituano |
| Years4: | 2007 |
| Clubs4: | Campinense |
| Years5: | 2007–2009 |
| Clubs5: | Guaratinguetá |
| Caps5: | 30 |
| Goals5: | 0 |
| Years6: | 2009 |
| Clubs6: | Juventude |
| Caps6: | 6 |
| Goals6: | 0 |
| Years7: | 2010–2012 |
| Clubs7: | Guaratinguetá |
| Caps7: | 125 |
| Goals7: | 0 |
| Years8: | 2012–2013 |
| Clubs8: | Oeste |
| Caps8: | 21 |
| Goals8: | 0 |
| Years9: | 2013–2014 |
| Clubs9: | Ceará |
| Caps9: | 21 |
| Goals9: | 0 |
| Years10: | 2014–2021 |
| Clubs10: | Palmeiras |
| Caps10: | 81 |
| Goals10: | 0 |
| Years11: | 2022 |
| Clubs11: | Cruzeiro |
| Caps11: | 0 |
| Goals11: | 0 |
| Years12: | 2022 |
| Clubs12: | América Mineiro |
| Caps12: | 14 |
| Goals12: | 0 |
| Club-Update: | 13:59, 6 July 2022 (UTC) |
Jailson Marcelino dos Santos (born 20 July 1981), simply known as Jailson, is a retired Brazilian footballer who played as a goalkeeper.[2]