The 2011–12 WCHA women's ice hockey season marked the continuation of the annual tradition of competitive ice hockey among Western Collegiate Hockey Association members.
Exhibition
September 24: Freshman Josefine Jakobsen recorded a hat-trick as the Fighting Sioux defeated the Manitoba Bisons women's ice hockey program by a 10-0 tally. Of note, the European freshmen that combined for 11 points in the game. Michelle Karvinen had four points, while Andrea Dalen had three points.
Regular season
News and notes
September
September 24: Karley Sylvester was the first Wisconsin Badgers freshman of the campaign to net a goal. On September 25, 2011, Hilary Knight scored her fifth career hat trick in a 13–0 defeat of the Lindenwood Lions. In addition, Briana Decker scored her third career hat trick. The 13 goals scored by the Badgers were tied for third most in the NCAA women's ice hockey all-time list for most goals scored in a game by a team.
October
October 14: Laura McIntosh notched her first goal of the season to give the Ohio State Buckeyes a 2–1 lead. Said goal would stand as the game-winner. In addition, she picked up an assist on a Hokey Langan goal. The assist made McIntosh Ohio State's all-time leader in career points against WCHA opponents. She surpassed Jana Harrigan's 110 league points set in 2006. October 15–16: Michelle Karvinen produced five points, and earned a +5 plus/minus rating as the Fighting Sioux swept the Vermont Catamounts. In a 9–1 win on October 15, 2011, Karvinen scored two goals and set up another for a three-point performance. She assisted on Jocelyne Lamoureux's game-winning goal at 2:58 of the first period. The following day, she accumulated two more assists in a 4–1 win. For the second consecutive game, she assisted on the game-winning goal, as Monique Lamoureux scored at 15:11 of the second period. October 21: In its WCHA home opener, the top line of the Fighting Sioux combined for thirteen points as they bested the Ohio State Buckeyes by an 11-1 margin. Monique Lamoureux-Kolls tied a North Dakota record with a 5-point game. In the contest, 13 different Sioux skaters registered at least one point. Michelle Karvinen scored a hat trick and logged one assist for four points. In addition, Josefine Jakobsen and Jocelyne Lamoureux each had 4-point games. Several program records were broken in the game including: most goals scored in a game (11), largest margin of victory (10), and largest margin of victory over a conference opponent (10).
