U.S. National Championships may refer to;
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United States national amateur boxing championships
The United States National Boxing Championships bestow the title of United States Champion on Olympic boxers for winning the annual national Olympic boxing tournament organized by USA Boxing, which is the national governing body for Olympic boxin ...
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United States Figure Skating Championships
The U.S. Figure Skating Championships is a figure skating competition held annually to crown the national champions of the United States. The competition is sanctioned by U.S. Figure Skating. In the U.S. skating community, the event is often ...
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U.S. National Championships (tennis)
The US Open Tennis Championships is a hardcourt tennis tournament held annually in Queens, New York. Since 1987, the US Open has been chronologically the fourth and final Grand Slam tournament of the year. The other three, in chronological orde ...
, before 1968, the tennis tournament now called the U.S. Open
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USA Gymnastics National Championships
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USA Outdoor Track and Field Championships
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