Bill Cashmore is a New Zealand local government politician, the former deputy mayor of Auckland, and represented the Franklin ward on the Auckland Council from 2013 to 2022. He retired following the 2022 local elections.

The Mayor of Auckland is the directly elected head of the Auckland Council, the local government authority for the Auckland Region in New Zealand, which it controls as a unitary authority. The position exists since October 2010 after the amalgamation of various territorial authorities. The mayor is supported by a deputy mayor.