The 2004 Open SEAT Godó was a men's tennis tournament played on outdoor clay courts at the Real Club de Tenis Barcelona in Barcelona in Spain and was part of the International Series Gold of the 2004 ATP Tour. It was the 52nd edition of the tournament and ran from April 26 through May 2, 2004. Tommy Robredo won the singles title.
Tommy Robredo defeated Gastón Gaudio 6–3, 4–6, 6–2, 3–6, 6–3
- It was Robredo's 2nd title of the year and the 3rd of his career.
Mark Knowles / Daniel Nestor defeated Mariano Hood / Sebastián Prieto 4–6, 6–3, 6–4
- It was Knowles' 2nd title of the year and the 32nd of his career. It was Nestor's 2nd title of the year and the 34th of his career.