The 2003 Mutua Madrileña Masters Madrid was a tennis tournament played on indoor hard courts. It was the 2nd edition of the Madrid Masters and was part of the Tennis Masters Series of the 2003 ATP Tour. It took place at the Madrid Arena in Madrid in Spain from 13 October through 19 October 2003. First-seeded Juan Carlos Ferrero
| 2003 Mutua Madrileña Masters Madrid | |
|---|---|
| Date | 13–19 October |
| Edition | 2nd |
| Surface | Hard / indoor |
| Location | Madrid, Spain |
| Venue | Madrid Arena |
| Champions | |
| Singles | |
 Juan Carlos Ferrero | |
| Doubles | |
 Mahesh Bhupathi /  Max Mirnyi | |
Finals edit
Singles edit
Juan Carlos Ferrero defeated 
Nicolás Massú 6–3, 6–4, 6–3
- It was Ferrero's 4th title of the year and the 11th of his career. It was his 2nd Masters Series title of the year and his 4th overall.
Doubles edit
Mahesh Bhupathi / Max Mirnyi defeated 
Wayne Black / Kevin Ullyett 6–2, 2–6, 6–3
- It was Bhupathi's 5th title of the year and the 31st of his career. It was Mirnyi's 7th title of the year and the 20th of his career.