Justin Mark Lester is a New Zealand businessman and politician. He was Mayor of Wellington between 2016 and 2019, following six years on the Wellington City Council.

The Mayor of Wellington is the head of the municipal government of the City of Wellington. The mayor presides over the Wellington City Council. The mayor is directly elected using the Single Transferable Vote method of proportional representation. The current mayor is Tory Whanau, elected in October 2022 for a three-year-term.