2004 Chennai Open
| 2004 Chennai Open | |
|---|---|
| Date | 5 – 11 January |
| Edition | 9th |
| Category | International Series |
| Surface | Hard / outdoors |
| Location | Chennai, India |
| Venue | SDAT Tennis Stadium |
| Champions | |
| Singles | |
 Carlos Moyá | |
| Doubles | |
| Rafael Nadal / Tommy Robredo | |
The 2004 Chennai Open was a men's tennis tournament played on outdoor hard courts at the SDAT Tennis Stadium in Chennai in India and was part of the International Series of the 2004 ATP Tour. The tournament ran from 5 January through 11 January 2004. Carlos Moyá won the singles title.
Winners
Men's Singles
Carlos Moyá defeated 
Paradorn Srichaphan 6–4, 3–6, 7–6(7–5)
- It was Moyá's 1st title of the year and the 14th of his career.
Men's Doubles
Rafael Nadal / Tommy Robredo defeated 
Jonathan Erlich / Andy Ram 7–6(7–3), 4–6, 6–3
- It was Nadal's 1st title of the year and the 2nd of his career. It was Robredo's 1st title of the year and the 2nd of his career.