The American Chess Congress was a series of chess tournaments held in the United States, a predecessor to the current U.S. Chess Championship. It had nine editions, the first played in October 1857 and the last in August 1923.
| # | Year | City | Winner |
|---|---|---|---|
| 1 | 1857 | New York |  Paul Morphy (United States)
|
| 2 | 1871 | Cleveland |  George Henry Mackenzie (United States)
|
| 3 | 1874 | Chicago | George Henry Mackenzie (United States)
|
| 4 | 1876 | Philadelphia |  James Mason (Ireland)
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| 5 | 1880 | New York |  George Henry Mackenzie (United States)
|
| 6 | 1889 | New York |  Mikhail Chigorin (Russia) Max Weiss (Austria)
|
| 7 | 1904 | St. Louis |  Frank James Marshall (United States)
|
| 8 | 1921 | Atlantic City |  Dawid Janowski (France)
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| 9 | 1923 | Lake Hopatcong |  Frank James Marshall (United States) Abraham Kupchik (United States)
|