| Marilia | |
| Fullname: | Reginaldo de Santana |
| Birth Date: | 22 July 1975 |
| Birth Place: | Umuarama, Brazil |
| Height: | 1.80 m |
| Position: | Centre-back |
| Years1: | 1996–2003 |
| Years2: | 2003–2004 |
| Years3: | 2004–2006 |
| Years4: | 2006 |
| Years5: | 2007 |
| Years6: | 2007–2008 |
| Years7: | 2009 |
| Years8: | 2009 |
| Years9: | 2009 |
| Years10: | 2010 |
| Years11: | 2011 |
| Clubs1: | Sparta Rotterdam |
| Clubs2: | Aurora FC |
| Clubs3: | Clube 15 de Novembro |
| Clubs4: | VVV-Venlo |
| Clubs5: | Sport Club Ulbra |
| Clubs6: | SER Caxias do Sul |
| Clubs7: | Criciúma |
| Clubs8: | Veranópolis |
| Clubs9: | Concórdia |
| Clubs10: | Veranópolis |
| Clubs11: | Penapolense |
| Caps1: | 149 |
| Goals1: | 5 |
| Caps4: | 7 |
| Goals4: | 1 |
Reginaldo de Santana (born 22 July 1975), commonly known as Marilia, is a Brazilian former professional footballer who played as a centre-back.
Marillia made his debut in Dutch professional football on 24 August 1996 for Sparta Rotterdam in a game against NAC Breda. He signed a six-month contract with Sport Club Ulbra in January 2007. on August 16, 2007, he left for SER Caxias do Sul.
In December 2008, he signed a one-year contract with Criciúma. In January 2009, he left for Veranópolis and in July for Concórdia.