Walter Arthur Hudson (18 July 1897 – 9 June 1972) was a New Zealand politician of the Labour Party.

[1] He served in the New Zealand Expeditionary Force for two years in France during World War I.

In 1944 he stood on the Labour ticket for the Dunedin City Council, and was the highest polling unsuccessful candidate.

[4] He was appointed to the city council in 1945 to fill a vacancy caused by the death of Jim Munro.

[8] Hudson was actively interested in healthcare matters and was twice New Zealand's representative to international parliamentary conferences on the topic in Kenya and Yugoslavia.