2003–04 Hong Kong FA Cup was the 30th staging of the Hong Kong FA Cup. The cup was won by Happy Valley who won 3-1 against Kitchee in the final The competition started on 27 April 2004 with 10 Hong Kong First Division clubs. Four of them took part in the first round to determine which team advanced to the quarter finals. From quarter finals onward, the cup competition was a single-elimination tournament. Although all the matches before the final was held at the Mongkok Stadium, the final was staged at the Hong Kong Stadium on 9 May 2004.