New Zealand competed at the 1948 Summer Olympics in London, England.

Seven competitors, six men and one woman, took part in eight events in five sports.

The following table lists the number of New Zealand competitors who participated at the 1948 Summer Olympics according to gender and sport.

The last surviving member of the 1948 Olympic team, swimmer Ngaire Lane, died on 9 July 2021.

This article related to sport in New Zealand is a stub.