The 2004–05 Pittsburgh Penguins season was the franchise's 38th season in the National Hockey League, however, due to the 2004–05 NHL lockout no games were played.
The 2004 NHL Entry Draft was held on June 26 at the RBC Center in Raleigh, North Carolina. The Penguins selected future Calder Memorial Trophy winner Evgeni Malkin with the second overall selection.
- Draft notes
- a The Vancouver Canucks' second-round pick went to the Pittsburgh Penguins as a result of an August 25, 2003 trade that sent Johan Hedberg to the Canucks in exchange for this pick.
- b The Calgary Flames' third-round pick went to the Pittsburgh Penguins as a result of a February 9, 2003 trade that sent Andrew Ference to the Flames in exchange for this conditional pick.
- c The Vancouver Canucks' seventh-round pick went to the Pittsburgh Penguins as a result of a March 9, 2004 trade that sent Marc Bergevin to the Canucks in exchange for this pick.
The AHL's Wilkes-Barre/Scranton Penguins finished fourth in the East Division with a record of 40-30-7-3. They defeated the Binghamton Senators in the first round of the playoffs before losing in the second round to the eventual Calder Cup champion Philadelphia Phantoms.
The ECHL's Wheeling Nailers finished out of the playoffs in sixth in the North Division with a 38-25-9 record.