This is the 2003-04 Northern Pacific Hockey League season. This was the league's fourth season. The league played as a Tier III Junior B for its first seven seasons. The league lost the following team from the previous season: * Eugene Thunder The league added the following team: * Butte Roughriders The following team was renamed: * Puget Sound Kings were renamed the Puget Sound Tomahawks The following teams remained in the league the previous season: * Kootenai Colts (based in Coeur d'Alene, ID) * Tri-City Titans (based in Pasco, Washington) * Portland Pioneers * Spokane Flyers