The 2004 Ordina Open was a tennis tournament played on grass courts in Rosmalen, 's-Hertogenbosch in the Netherlands that was part of the International Series of the 2004 ATP Tour and of Tier III of the 2004 WTA Tour. The tournament was held from 14 June until 20 June 2004. Michaël Llodra and Mary Pierce won the singles titles.
| 2004 Ordina Open | |
|---|---|
| Date | 14–20 June |
| Edition | 15th (men) 9th (women) |
| Category | International Series (men) Tier III (women) |
| Surface | Grass / outdoor |
| Location | Rosmalen, 's-Hertogenbosch, Netherlands |
| Champions | |
| Men's singles | |
 Michaël Llodra | |
| Women's singles | |
| Mary Pierce | |
| Men's doubles | |
 Martin Damm / Cyril Suk | |
| Women's doubles | |
 Lisa McShea /  Milagros Sequera | |
Finals edit
Men's singles edit
Michaël Llodra defeated 
Guillermo Coria 6–3, 6–4
Women's singles edit
Mary Pierce defeated Klára Koukalová 7–6(8–6), 6–2
Men's doubles edit
Martin Damm / Cyril Suk defeated 
Lars Burgsmüller / Jan Vacek 6–3, 6–7(7–9), 6–3
Women's doubles edit
Lisa McShea / Milagros Sequera defeated 
Jelena Kostanić / 
Claudine Schaul 7–6(7–3), 6–3