Conrad Adolphus Wallroth (12 May 1851 — 22 February 1926) was an English cricketer who played first-class cricket for Oxford University between 1872 and 1874, Kent in 1872 and Derbyshire in 1879. He was a right-handed batsman and played 36 innings in 21 first-class games with a top score of 109 and an average of 17.02. He occasionally kept wicket.Wallroth was born in Lee, then in Kent.