The 2004 Hong Kong Sevens was an international rugby sevens tournament that took place at the Hong Kong Stadium between 26 and 28 March 2004.

After winning all three of their group stage matches, England took out the Hong Kong title for the third year running, defeating Argentina in the cup final 22–12.

Compared to other tournament of the series, the Hong Kong Sevens had 24 teams compete for the title instead of the regular sixteen teams that usually competed in a World Series event.

The top team from each pool along with the two best runners-up advanced to the Cup quarter finals.

The remaining four runners-up along with the four best third-placed teams advanced to the Plate quarter finals.