2003–04 HNK Rijeka season

The 2003–04 season was the 58th season in Rijeka's history. It was their 13th season in the Prva HNL and 30th successive top tier season.

Prva HNL
Source: HRnogomet.com

Croatian Cup
Source: HRnogomet.com

Squad statistics
''Competitive matches only. Appearances in brackets indicate numbers of times the player came on as a substitute.''