William Alexander Kilgour (2 February 1878 – 4 March 1935) was a New Zealand sportsman.
He played both association football and cricket for Otago provincial sides, playing four first-class cricket matches for the Otago cricket team between the 1901–02 and 1907–08 seasons, and played rugby union for league sides.
[2] He made his first-class cricket debut for the representative side in a December 1901 match against Canterbury at Christchurch, making scores of 1 and 11 in the match.
His final match came in January 1908 when he was allowed to act as a full substitute for Gillie Wilson who was injured in the first 20 minutes play.
[3] Kilgour worked in the Dunedin legal firm Callan and Gallaway for many years before moving to Henderson near Auckland to grow grapes.