Mararoa is a rural area in New Zealand's Southland District.

The area broadly corresponds to the course of the Mararoa River and the eastern part of Te Anau Basin, and includes the Mavora Lakes and the settlement of Manapouri.

The local primary school is located at The Key, at the intersection of State Highway 94, the Southern Scenic Route and the Mararoa River.

[3] The Mararoa statistical area covers 2,717.39 km2 (1,049.19 sq mi)[1] and had an estimated population of 870 as of June 2024,[2] with a population density of 0.32 people per km2.

The percentage of people born overseas was 13.6, compared with 27.1% nationally.