| 2004 WTA Tour Championships | |
|---|---|
| Date | November 10–15 |
| Edition | 34th |
| Category | Year-end championships |
| Draw | 8S (round robin) / 4D |
| Prize money | $3,000,000 |
| Surface | Hard / indoor |
| Location | Los Angeles, United States |
| Venue | Staples Center |
| Champions | |
| Singles | |
 Maria Sharapova | |
| Doubles | |
Nadia Petrova /  Meghann Shaughnessy | |
The 2004 WTA Tour Championships was a women's round robin tennis tournament played on indoor hard courts at the Staples Center in Los Angeles, United States. It was the 34th edition of the year-end singles championships, the 29th edition of the year-end doubles championships, and was part of the 2004 WTA Tour. The tournament was held between November 10 and November 15, 2004. Sixth-seeded Maria Sharapova won the singles event, the first, and so far only, Russian to win the tournament, and earned $1,000,000 first-prize money as well as 485 ranking points.[1][2][3]
Justine Henin-Hardenne had qualified for the tournament but withdrew due to illness (cytomegalovirus).[4]
Maria Sharapova defeated Serena Williams, 4–6, 6–2, 6–4.
Nadia Petrova / Meghann Shaughnessy defeated 
Cara Black / 
Rennae Stubbs, 7–5, 6–2.
