Ruth Durlacher (née Dyas; 22 July 1876 – 21 September 1946) was an Irish tennis player.

She married fellow tennis player Neville John Durlacher in Rathdown on 17 December 1898 at the age of 23.

[9] Durlacher was a finalist four times in the women singles in the Irish Championships , taking place is Fitzwilliam Lawn Tennis Club.

Following two years’ time, Louisa Martin won the singles tournament, 6-1, 6-2, against her opponent Durlacher.

[8] Durlacher played in the doubles category of the Irish Championships, and her partners were Alice Pickering in 1896; Mollie Martin in 1898, 1899 and 1901; and Ms.Hazlett in 1902.

[11] In singles, Durlacher reached the finals of the all-comers competition, losing to Blanche Bingley.

She won the Irish Championships mixed doubles title along with Harold Nisbet in 1898, and with Laurence Doherty 1901 and 1902.