The 2004–05 FIS Ski Jumping World Cup was the 26th World Cup season.

It began in Kuusamo, Finland on 27 November 2004 and finished in Planica, Slovenia on 20 March 2005.

The individual World Cup was won by Janne Ahonen, Finland.

Lower competitive circuits this season included the Grand Prix and Continental Cup.

K-120 Kuusamo, Finland November 27, 2004 K-120 Kuusamo, Finland November 28, 2004 K-120 Lysgårdsbakkene, Norway December 4, 2004 K-120 Lysgårdsbakkene, Norway December 5, 2004 K-120 Harrachov, Czech Republic December 11, 2004 K-120 Harrachov, Czech Republic December 12, 2004 K-120 Engelberg, Switzerland December 18, 2004 K-120 Engelberg, Switzerland December 19, 2004 K-115 Oberstdorf, Germany December 29, 2004 K-115 Garmisch-Partenkirchen, Germany January 1, 2005 K-120 Innsbruck, Austria January 3, 2005 K-120 Bischofshofen, Austria January 6, 2005 K-120 Willingen, Germany January 9, 2005 K-185 Bad Mitterndorf, Austria January 15, 2005 K-185 Bad Mitterndorf, Austria January 16, 2005 K-120 Titisee-Neustadt, Germany January 22, 2005 K-120 Titisee-Neustadt, Germany January 23, 2005 K-120 Zakopane, Poland January 29, 2005 K-120 Zakopane, Poland January 30, 2005 K-120 Sapporo, Japan February 5, 2005 K-120 Sapporo, Japan February 6, 2005 K-120 Pragelato, Italy February 11, 2005 K-120 Lahti, Finland March 6, 2005 K-120 Kuopio, Finland March 9, 2005 K-120 Lysgårdsbakkene, Norway March 11, 2005 K-115 Holmenkollen, Norway March 13, 2005 K-185 Planica, Slovenia March 19, 2005 K-185 Planica, Slovenia March 20, 2005 K-120 Pragelato, Italy February 12, 2005 K-120 Lahti, Finland March 5, 2005