The New Zealand men's under-23 softball team represents New Zealand in international under-23 softball. The team is administered by Softball New Zealand.
The team played their first official matches at the 2023 U-23 Men's Softball World Cup where they were grouped with Canada, Japan, Venezuela, Guatemala and Israel.
Prior to the U-23 Men's Softball World Cup being introduced, the Major Sox had played friendlies and been on tour to Indonesia and Canada among other.
The inaugural U-23 Men's Softball World Cup was scheduled to take place in October 2022, but was postponed due to a number of reasons. As one of the 2 men's softball sides in Oceania New Zealand qualified along with Australia.
The following is a list of match results in the last 12 months, as well as any future matches that have been scheduled.
The following 16 players were called up for the 2023 U-23 Men's Softball World Cup.