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| 2003 Hopman Cup | |
|---|---|
| Date | 28 December 2002 – 4 January 2003 |
| Edition | XV |
| Surface | Hard indoor |
| Location | Perth, Western Australia |
| Venue | Burswood Entertainment Complex |
| Champions | |
 United States | |
The 2003 Hopman Cup (also known as the Hyundai Hopman Cup for sponsorship reasons) was the 15th edition of the Hopman Cup tennis sporting event, held on 28 December 2002 through 4 January 2003 at the Burswood Entertainment Complex in Perth, Western Australia. The champions are Serena Williams and James Blake of the United States, who defeated Alicia Molik and Lleyton Hewitt of Australia in the final.