迈克尔·威廉姆斯·“迈克”·沙舍夫斯基（Michael William "Mike" Krzyzewski，1947年2月13日出生在伊利诺伊州芝加哥），外号「K教练」，是美国知名篮球学府杜克大学的篮球主教练，培养出多名NBA球星。K教练现为美国梦之队的主教练，曾带队参加北京奥运会。在2008年和2012年决赛率领美国队以118：107和107：100击败西班牙队连两届拿下金牌。 也在土耳其举办的2010年世界篮球锦标赛在决赛帮助美国队以81：64击败土耳其队，也在西班牙举办的2014年世界篮球锦标赛在决赛帮助美国队以129：92痛宰塞尔维亚队。

Michael William Krzyzewski (/ʃəˈʃɛfski/ shə-SHEV-ski; nicknamed "Coach K"; born February 13, 1947) is an American college basketball coach and former player. Since 1980, he has served as the head men's basketball coach at Duke University. At Duke, Krzyzewski has led the Blue Devils to five NCAA Championships, 12 Final Fours, 12 ACC regular season titles, and 13 ACC Tournament championships. Krzyzewski is also the coach of the United States men's national basketball team, whom he led to two gold medals at the 2008 Summer Olympics and 2012 Summer Olympics. He was the head coach of the American team that won the gold medals at the 2010 FIBA World Championship and the 2014 FIBA World Championship. He was also an assistant coach for the 1992 "Dream Team".