The 2011–12 St. Louis Blues season was the 45th season of operation (44th of play) for the National Hockey League franchise that was established on June 5, 1967. The Blues qualified for the Stanley Cup playoffs for the first time since the 2008–09 NHL season, and the second time since the end of the lockout. They also won their first Central division title since the 1999–2000 NHL season.