This list of New Zealand middleweight boxing champions is a table showing the boxers who have won the New Zealand professional middleweight championship.
The title has been administered by the New Zealand Boxing Association, New Zealand National Boxing Federation, New Zealand Professional Boxing Association and New Zealand Boxing Council since 1884.
The New Zealand middleweight title is the oldest New Zealand boxing title out of all the boxing weight divisions.
A champion will often voluntarily relinquish the title in order to fight for a higher-ranked championship, such as the world.
Where the date on which a champion relinquished the title is unclear.