西密歇根大学（Western Michigan University) 是一所美国公立研究型大学，位于密歇根州，卡拉马祖市，位于芝加哥和底特律等大城市的中心位置。西密歇根大学于1903年由 Dwight B. Waldo创建，现在共有五个校区，包括位于卡拉马祖的West Campus，East Campus，Oakland Drive Campus，Parkview Campus以及位于Battle Creek的College of Aviation ，其中西校区（West Campus）为主校区。根据2014年秋季入学统计，该校共有23914名学生。在连续24年上榜美国新闻与世界报道的全美最佳大学榜单之后，西密大再次名列全美顶尖大学行列，排位稳步提升。此前西密大还被华盛顿月刊评为顶尖全国性大学第90位，和最佳性价比大学第54位。

Western Michigan University (WMU) is a public research university located in Kalamazoo, Michigan, United States. The university was established in 1903 by Dwight B. Waldo, and as of the Fall 2014 semester, its enrollment was 23,914.

WMU has one of the largest aviation programs in the United States, and it is the site of the annual International Congress on Medieval Studies. The university's athletic teams compete in Division I of the National Collegiate Athletic Association (NCAA) and are collectively known as the Western Michigan Broncos. They compete in the Mid-American Conference for most sports.