James Mackie Deas (1891 – 27 January 1963) was a New Zealand politician of the Labour Party.

[1] He served in World War I as a member of the Black Watch and later worked for the Ministry of Pensions before moving to New Zealand in 1926.

Deas then became a publisher for several suburban newspapers in South Auckland before joining the reporting staff of The New Zealand Herald during World War II.

[1] Following the war Deas moved back to Auckland and was elected Mayor of Otahuhu from 1950 to 1954.

[5] Deas caught a severe bronchial chill in London whilst travelling from the 1962 Commonwealth Parliamentary Association conference in Lagos.