| Lionel Medeiros | |
| Fullname: | Lionel Jesus Gonçalves Medeiros |
| Birth Date: | 14 April 1977 |
| Birth Place: | Orléans, France |
| Height: | 1.86 m |
| Position: | Centre back |
| Years1: | 1996–1998 |
| Years2: | 1998–2002 |
| Years3: | 2002–2006 |
| Years4: | 2006–2007 |
| Years5: | 2007–2008 |
| Years6: | 2008–2009 |
| Clubs1: | Orléans |
| Clubs2: | Varzim |
| Clubs3: | Vitória Guimarães |
| Clubs4: | Académica |
| Clubs5: | Omonia |
| Clubs6: | APOP |
| Caps2: | 103 |
| Caps3: | 36 |
| Caps4: | 15 |
| Caps5: | 0 |
| Caps6: | 5 |
| Totalcaps: | 159 |
| Goals2: | 0 |
| Goals3: | 1 |
| Goals4: | 0 |
| Goals5: | 0 |
| Goals6: | 0 |
| Totalgoals: | 1 |
Lionel Jesus Gonçalves Medeiros (born 14 April 1977 in Orléans, France) is a Portuguese retired footballer who played as a central defender.