| Date: | 27–29 December 2012 |
| Edition: | 5th |
| 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 (December) |
| Before Year: | 2011 |
| After Year: | 2013 |
See main article: Mubadala World Tennis Championship.
The 2012 Mubadala World Tennis Championship in December is a non-ATP affiliated exhibition tournament. The world's top players competed in the event, which was 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 2013 tennis season, with the ATP World Tour beginning on December 31, 2012.