List of champions of the 1892 U.S. National Championships (now known as the US Open). The men's tournament was held from 23 August to 30 August on the outdoor grass courts at the Newport Casino in Newport, Rhode Island. The women's tournament was held from 21 June to 25 June on the outdoor grass courts at the Philadelphia Cricket Club in Philadelphia, PA. This tournament saw the introduction of the U.S. National Mixed Doubles Championship which was played, like the women's singles and women's doubles competition, at the Philadelphia Cricket Club. It was the 12th U.S. National Championships and the second Grand Slam tournament of the year.

Oliver Campbell defeated Fred Hovey 7–5, 3–6, 6–3, 7–5

Mabel Cahill defeated Elisabeth Moore 5–7, 6–3, 6–4, 4–6, 6–2

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