| Date: | 29–31 December 2011 |
| Edition: | 4th |
| Surface: | Hard |
| Venue: | Abu Dhabi International Tennis Complex |
| Location: | Abu Dhabi, United Arab Emirates |
| Champs: |  Novak Djokovic |
| Main Name: | Mubadala World Tennis Championship |
| Before Name: | Mubadala World Tennis Championship (January) |
| Before Year: | 2011 |
| After Name: | Mubadala World Tennis Championship |
See main article: Mubadala World Tennis Championship.
The 2011 Mubadala World Tennis Championship in December is a non-ATP affiliated exhibition tournament. The world's top players competed in the event, which is held in a knockout format. The prize money for the winner was $250,000. The event was held at the Abu Dhabi International Tennis Complex at the Zayed Sports City in Abu Dhabi, United Arab Emirates. It was a warm-up event for the 2012 tennis season, with the ATP World Tour beginning on January 2, 2012.
| Country | width=150 | Player | Ranking* | Seeding |
|---|---|---|---|---|
| Serbia | Novak Djokovic | 1 | 1 | |
 Spain | Rafael Nadal | 2 | 2 | |
| Roger Federer | 3 | 3 | ||
| Spain | David Ferrer | 5 | 4 | |
 France | Jo-Wilfried Tsonga | 6 | 5 | |
| France | Gaël Monfils | 15 | 6 |
Last year's finalists receive a bye into the semifinals.