| Date: | 19–26 September |
| Edition: | 4th |
| Location: | Athens Olympic Tennis Centre |
| Champms: | Robin Ammerlaan |
| Champws: | Esther Vergeer |
| Champqs: |  Peter Norfolk |
| Champmd: |  Shingo Kunieda / Satoshi Saida |
| Champwd: | Maaike Smit / Esther Vergeer |
| Champqd: |  Nick Taylor / David Wagner |
| Quadrennial: | yes |
| Multiwc: | yes |
Wheelchair Tennis at the 2004 Summer Paralympics was staged at the Olympic Tennis Centre from September 19 to September 26.
There were singles and doubles competitions for men, women and quads. All matches were played to the best of three sets.
| Men's singles | ||||
| Men's doubles | Shingo Kunieda Satoshi Saida | Michaël Jérémiasz Lahcen Majdi | Anthony Bonaccurso David Hall | |
| Women's singles | ||||
| Women's doubles | Maaike Smit Esther Vergeer | Sakhorn Khanthasit Ratana Techamaneewat | Sandra Kalt Karin Suter Erath | |
| Quad singles | ||||
| Quad doubles | Nick Taylor David Wagner | Mark Eccleston Peter Norfolk | Monique de Beer Bas van Erp |