| 2004 Monte Carlo Masters | |
|---|---|
| Date | 19–25 April |
| Edition | 98th |
| Category | ATP Masters Series |
| Draw | 64S / 24D |
| Prize money | $2,220,000 |
| Surface | Clay / outdoor |
| Location | Roquebrune-Cap-Martin, France |
| Venue | Monte Carlo Country Club |
| Champions | |
| Singles | |
 Guillermo Coria[1] | |
| Doubles | |
 Tim Henman /  Nenad Zimonjić[2] | |
The 2004 Monte Carlo Masters was a men's tennis tournament played on outdoor clay courts. It was the 98th edition of the Monte Carlo Masters and was part of the Masters Series of the 2004 ATP Tour. It took place at the Monte Carlo Country Club in Roquebrune-Cap-Martin in France from 19 April through 25 April 2004. Third-seeded Guillermo Coria won the singles title.
- ^ "2004 Monte Carlo – Singles draw". Association of Tennis Professionals (ATP).
- ^ "2004 Monte Carlo – Doubles draw". Association of Tennis Professionals (ATP).