Louise Riddell Williams
Louise Riddell-Williams was an American tennis player of the start of the 20th century.
She won the U.S. National Championship three times, in women's doubles with Mary Kendall Browne, in 1913, 1914 and 1921.
Grand Slam finals
Doubles (3 titles)
| Result | Year | Championship | Surface | Partner | Opponents | Score |
| Win | 1913 | U.S. National Championships | Grass |  Mary Kendall Browne | Dorothy Green Edna Wildey | 12–10, 2–6, 6–3 |
| Win | 1914 | U.S. National Championships | Grass | Mary Kendall Browne | Louise Raymond Edna Wildey | 10–8, 6–2 |
| Win | 1921 | U.S. National Championships | Grass | Mary Kendall Browne | Helen Gilleaudeau Mrs. L.G. Morris | 6–3, 6–2 |