The 2003–04 FINA Swimming World Cup was a series of eight, short course meets organized by FINA and held at eight different international locations.
The meets were held from November 2003 through February 2004.
Ed Moses of the United States and Martina Moravcová of Slovakia were the overall male and female winners of the series.
Times listed at top of each table represent the series record (WC) as of the start of the 2003/2004 World Cup.