| Gemara Williams | |
| Birth Date: | 30 April 1983 |
| Birth Place: | Oak Park, Michigan, U.S. |
| Number: | 42, 43, 3 |
| Import: | yes |
| Position1: | Defensive back |
| Height Ft: | 5 |
| Height In: | 8 |
| Weight Lb: | 195 |
| College: | Buffalo |
| High School: | Brother Rice |
| Playing Years1: | – |
| Playing Team1: | New England Patriots |
| Playing Years2: | – |
| Playing Team2: | Montreal Alouettes |
| Playing Years3: | – |
| Playing Team3: | Edmonton Eskimos |
| Cfl: | 1981 |
| Nfl: | WIL294222 |
Gemara La'Juan Williams (born April 30, 1983) is a former professional football player who saw action in the NFL and CFL. He was signed by the New England Patriots in 2006 and was later placed on season-ending injury reserve. He saw minimal action in 2007 and 2008 on special teams and defense. Williams known as a speedster for his 4.2 speed, played college football at Buffalo.
Williams also played for the Montreal Alouettes and Edmonton Eskimos.
Williams was signed as an undrafted free agent out of the University at Buffalo after the 2006 NFL draft by the Patriots but was released before training camp. Williams re-signed on August 12, 2006, only to be placed on season-ending injured reserve at the start of the 2006 season. In 2007 Williams was part of the Patriots 18-1 season contributing as a kick returner and nickel back.
After suffering an ACL injury with the Montreal Alouettes, Williams was signed to the Edmonton Eskimos on September 1, 2009 to finish his remaining years with the Eskimos.