The 2004 Nottingham Open was the 2004 edition of the Nottingham Open men's tennis tournament and played on outdoor grass courts. The tournament was part of the International Series of the 2004 ATP Tour. It was the fifteenth edition of the tournament and was held from June 14 through June 19, 2004. Paradorn Srichaphan won the singles title.
Paradorn Srichaphan defeated Thomas Johansson 1–6, 7–6(7–4), 6–3
Paul Hanley / Todd Woodbridge defeated Rick Leach / Brian MacPhie 6–4, 6–3