List of champions of the 1894 U.S. National Championships tennis tournament (now known as the US Open). The men's tournament was held from August 20 to August 27 on the outdoor grass courts at the Newport Casino in Newport, Rhode Island. The women's singles and doubles tournament as well as the mixed doubles event was held from June 12 to June 16 on the outdoor grass courts at the Philadelphia Cricket Club in Philadelphia, Pennsylvania. It was the 15th U.S. National Championships and the second Grand Slam tournament of the year.[1]
See main article: 1894 U.S. National Championships – Men's singles. 
Robert Wrenn defeated 
Manliffe Goodbody 6–8, 6–1, 6–4, 6–4
See main article: 1894 U.S. National Championships – Women's singles. Helen Hellwig defeated Aline Terry 7–5, 3–6, 6–0, 3–6, 6–3
Clarence Hobart / Fred Hovey defeated Carr Neel / Sam Neel 6–3, 8–6, 6–1
Helen Hellwig / Juliette Atkinson defeated Annabella Wistar / Amy Williams 6–4, 8–6, 6–2
Juliette Atkinson / Edwin P. Fischer defeated Mrs. McFadden / Gustav Remak 6–3, 6–2, 6–1