Mount Holdsworth is a rural locality and a statistical area in the Carterton District and Wellington Region of New Zealand's North Island.

The main eastern entrance to the Tararua Forest Park is from Mount Holdsworth.

[3] Mount Holdsworth statistical area covers 432.87 km2 (167.13 sq mi)[1] and also includes Dalefield.

The percentage of people born overseas was 18.7, compared with 27.1% nationally.

Although some people chose not to answer the census's question about religious affiliation, 54.5% had no religion, 35.3% were Christian, 0.3% had Māori religious beliefs, 0.2% were Hindu, 0.2% were Buddhist and 1.4% had other religions.