密歇根州（英语：State of Michigan），又译作密西根州、密执安州、密芝根州、密执安州。是美国的一个州，位于五大湖地区。其邮政缩写是MI。

这个州作为汽车工业的诞生地而闻名。但其实密西根州也有庞大的旅游业。旅游胜地例如特拉佛斯城（Traverse City）、麦基诺岛（Mackinac Island）以及整个吸引着来自全美和加拿大运动员和自然爱好者的上半岛。密西根州拥有仅次于阿拉斯加州的全美第二长的水岸线，以及全美最多的休闲船只。

Michigan /ˈmɪʃᵻɡən/ is a state located in the Great Lakes and midwestern regions of the United States. The name Michigan is the French form of the Ojibwa word mishigamaa, meaning "large water" or "large lake". Michigan is the tenth most populous of the 50 United States, with the 11th most extensive total area (the largest state by total area east of the Mississippi River). Its capital is Lansing, and its largest city is Detroit.