| Lamont Barnes | |
| Height Ft: | 6 |
| Height In: | 10 |
| Weight Lb: | 239.8 |
| Team: | Free agent |
| Birth Date: | 4 September 1978 |
| Birth Place: | Lexington, Kentucky |
| Nationality: | American |
| High School: | University Heights Academy (Hopkinsville, Kentucky) |
| College: | Temple (1996–2000) |
| Draft Year: | 2000 |
| Career Start: | 2000 |
| Years1: | 2000 |
| Years2: | 2000–2001 |
| Years3: | 2001 |
| Years4: | 2001–2002 |
| Years5: | 2002–2003 |
| Years6: | 2003 |
| Years7: | 2004 |
| Years8: | 2004 |
| Years9: | 2004–2005 |
| Years10: | 2005 |
| Years11: | 2005–2006 |
| Team11: | Baloncesto León |
| Years12: | 2006 |
| Years13: | 2007 |
| Years14: | 2007 |
| Years15: | 2007–2008 |
| Team15: | Baloncesto León |
| Years16: | 2008–2009 |
| Years17: | 2009–2011 |
| Years18: | 2011–2012 |
| Years19: | 2012–2013 |
| Team19: | Estudiantes |
| Years20: | 2015–2018 |
| Team20: | Palencia |
| Years21: | 2018 |
| Team21: | Ciudad de Valladolid |
Lamont Barnes (born September 4, 1978) is an American professional basketball player who last played for Carramimbre CBC Valladolid of the Spanish LEB Oro league.