Walter Henry Cooper JP (c. 1845 – 17 April 1941) was Mayor of Christchurch in 1895, and again in 1897.

[3] Cooper first stood for Christchurch City Council in September 1888,[6][7] when he defeated Henry Thomson in the North-East Ward.

[9] The incumbent, Thomas Gapes, stood again and was challenged by two sitting councillors, Cooper and Edward Smith.

[13] His election as mayor left a vacancy, which was filled by William Epthorp Samuels.

The mayoralty was contested by two city councillors, Harry Beswick and Howell Widdowson.

He was chairman of the Conciliation Board, the St. John Ambulance Association, and the Society for the Prevention of Cruelty to Animals.