The 2004–05 USHL season is the 26th season of the United States Hockey League as an all-junior league. The regular season began on September 24, 2004, and concluded on April 2, 2005, with the regular season champion winning the Anderson Cup. The 2004–05 season was the first for the Indiana Ice who moved from Danville, Illinois, after their first season in the USHL. Two years after being named the River City Lancers, the franchise in Omaha, Nebraska, returned to their original name of Omaha Lancers.