The 2010–11 Buffalo Sabres season was the 41st season for the National Hockey League (NHL) franchise that was established on May 22, 1970. Due to the 2004–05 NHL lockout, this was the 40th season of play for the franchise and was celebrated as such by the team. As of 2022, this is the last time the Sabres qualified for postseason play and their last season with a winning record.