Kathleen Gill Atkinson (November 5, 1875 – April 30, 1957) was an American tennis player.

With her older sister, Juliette, both residents of Maplewood, she won the US Women's National Championship in women's doubles 1897 and 1898.

[1] They were the first sisters to win a title together and the first to play each other in a semi final until the Williams sisters played in the final.