Sir John Hall was a New Zealand politician who served as the 12th premier of New Zealand from 1879 to 1882. He was born in Kingston upon Hull, England, the third son of George Hall, a captain in the navy. At the age of ten he was sent to school in Switzerland and his education continued in Paris and Hamburg. After returning to England and being employed by the Post Office, at the age of 27 he decided to emigrate. He was also Mayor of Christchurch.

The Mayor of Christchurch is the head of the municipal government of Christchurch, New Zealand, and presides over the Christchurch City Council. The mayor is directly elected using a First Past the Post electoral system. The current mayor, Phil Mauger, was elected in the 2022 mayoral election. The current deputy mayor is Pauline Cotter.