| 1883 U.S. National Championships | ||||
|---|---|---|---|---|
| Date | August 21–24 | |||
| Edition | 3rd | |||
| Surface | Grass | |||
| Location | Newport,Rhode Island, United States | |||
| Venue | Newport Casino | |||
| Champions | ||||
| Singles | ||||
 Richard D. Sears | ||||
| Doubles | ||||
| Richard D. Sears /James Dwight | ||||
| ||||
The1883 U.S. National Championships (now known as theUS Open) was atennis tournament that took place on the outdoor grass courts at theNewport Casino inNewport, Rhode Island. The tournament ran from August 21 until August 24. It was the 3rd staging of theU.S. National Championships, and the secondGrand Slam tennis event of the year.
Richard D. Sears defeatedJames Dwight 6–2, 6–0, 9–7
Richard D. Sears /James Dwight def.Arthur Newbold /Alexander Van Rensselaer 6–0, 6–2, 6–2
| Preceded by | Grand Slams | Succeeded by |