Louise Riddell-Williams was an American tennis player of the start of the 20th century.

She won the U.S. National Championship 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