List of Champions of the 1930 U.S. National Championships (now known as the US Open):
John Doeg defeated Frank Shields 10-8 1-6 6-4 1-6 6-4
Betty Nuthall Shoemaker defeated Anna McCune Harper 6-1, 6-4
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| Preceded by 1929 U.S. National Championships |
U.S. National Championships | Succeeded by 1931 U.S. National Championships |
| Preceded by 1930 Wimbledon Championships |
Grand Slams | Succeeded by 1931 Australian Championships |