2009–10 Michigan State Spartans women's basketball team

The 2009–10 Michigan State Spartans women's basketball team represented Michigan State University in the 2009–2010 NCAA Division I basketball season. The Spartans were coached by Suzy Merchant and played their home games at the Breslin Center. The Spartans are a member of the Big Ten Conference and advanced to the NCAA tournament, where they lost in the second round to Kentucky.

Offseason

 * May 5: The Big Ten Conference office announced today that the Michigan State women's basketball team will face North Carolina in the third-annual Big Ten/ACC Challenge. The Spartans and Tar Heels are scheduled for a Thursday, Dec. 3 matchup at the Breslin Center.
 * May 19: Michigan State head coach Suzy Merchant completed her first experience with USA Basketball. Merchant, Charli Turner Thorne and fellow assistant Julie Rousseau, took part in the three-day trials at the U.S. Olympic training center in Colorado Springs, Colo.
 * Junior Kalisha Keane is representing Canada at the 2009 World University Games on July 1–12 in Belgrade, Serbia. Keane is one of 11 student-athletes on the squad. In addition to Keane, two other NCAA student-athletes made the team: Vermont's Courtney Pilypaitis and Delaware's Vanessa Kabongo.
 * July 30: The Women's Basketball Coaches Association (WBCA), on behalf of the Wade Coalition, announced the 2009-2010 preseason "Wade Watch" list for The State Farm Wade Trophy Division I Player of the Year. Michigan State’s Allyssa DeHaan has been named to the 2009-10 preseason "Wade Watch" list, which is made up of top NCAA Division I student-athletes who best embody the spirit of Lily Margaret Wade. This is based on the following criteria: game and season statistics, leadership, character, effect on their team and overall playing ability.
 * August 21: The 2009-10 preseason candidates list for the Women’s Wooden Award was released, naming 31 student athletes. Allyssa DeHaan from Michigan State was one of the candidates.

Regular season

 * The Spartans will participate in the Junkanoo Jam from November 27 to 28.

Preseason All-Big Ten Coaches Team

 * Allyssa DeHaan, Sr., C, MSU

Preseason All-Big Ten Media Team

 * Allyssa DeHaan, Sr., C, MSU