Sir John Andrew Charles Allum CBE CStJ (27 January 1889 – 16 September 1972) was a New Zealand businessman and engineer, and was Mayor of Auckland City from 1941 to 1953.

[4][5] In the end, Mackenzie was the official candidate, and Allum came third, with the electorate being won by the Prime Minister, Michael Joseph Savage.

[2] Due to the power and influence he had at the head of multiple Auckland bodies Allum was known derisively by Members of Parliament as the nickname "His Imperial Highness".

[2] As chair of the Drainage Board he was the proponent of a sewage dumping scheme (known as the Browns Island plan) that proposed to discharge untreated effluent into Waitemata Harbour.

[2] After losing the mayoralty Allum was pressured to accept the National Party nomination for the new parliamentary seat of Waitemata ahead of the 1954 election, but he declined.

[15] In the 1946 New Year Honours, Annie Allum was appointed a Member of the Order of the British Empire, for services in connection with women's patriotic activities,[16] and in 1953 she was awarded the Queen Elizabeth II Coronation Medal.