United States national amateur boxing middleweight champions

Below is a list of National Amateur Boxing Middleweight Champions, also known as United States Amateur Champions, along with the state or region which they represented. The United States National Boxing Championships bestow the title of United States Amateur Champion on amateur boxers for winning the annual national amateur boxing tournament organized by USA Boxing, the national governing body for Olympic boxing and is the United States' member organization of the International Amateur Boxing Association (AIBA). It is one of the two premier amateur boxing tournaments, the other being the National Golden Gloves Tournament, which crowns its own amateur middleweight champion.