Reporoa is a rural community in Rotorua Lakes within the Waikato region of New Zealand's North Island.

It is located within the Reporoa Caldera,^[3] a caldera in the Taupo Volcanic Zone containing the Deer Hill, Kairuru and Pukekahu rhyolitic lava domes and the active Reporoa geothermal field.^[4][5] Several hydrothermal explosions have occurred in the area, with a large one being recorded in 1948, and another large one occurring in a cow paddock in April 2005.^[6]

The New Zealand Ministry for Culture and Heritage gives a translation of "long swamp" for Reporoa.^[7]

Reporoa is in two SA1 statistical areas which cover 15.67 km² (6.05 sq mi).^[1] The SA1 areas are part of the Golden Springs statistical area.

Reporoa had a population of 279 at the 2018 New Zealand census, unchanged since the 2013 census, and a decrease of 51 people (−15.5%) since the 2006 census. There were 99 households, comprising 141 males and 138 females, giving a sex ratio of 1.02 males per female, with 69 people (24.7%) aged under 15 years, 60 (21.5%) aged 15 to 29, 126 (45.2%) aged 30 to 64, and 24 (8.6%) aged 65 or older.

Ethnicities were 63.4% European/Pākehā, 51.6% Māori, 5.4% Pacific peoples, and 4.3% Asian. People may identify with more than one ethnicity.

Although some people chose not to answer the census's question about religious affiliation, 57.0% had no religion, 30.1% were Christian, 4.3% had Māori religious beliefs, 2.2% were Hindu and 2.2% had other religions.

Of those at least 15 years old, 9 (4.3%) people had a bachelor's or higher degree, and 57 (27.1%) people had no formal qualifications. 21 people (10.0%) earned over $70,000 compared to 17.2% nationally. The employment status of those at least 15 was that 108 (51.4%) people were employed full-time, 33 (15.7%) were part-time, and 24 (11.4%) were unemployed.^[2]

Reporoa has four Ngāti Tahu – Ngāti Whaoa marae. Mataarae Marae and meeting house is a meeting place of Ngāti Mataarae and Ngāti Whaoa. Ōhākī Marae and Tahumatua meeting house is a meeting place of Ngāti Tahu. Te Toke Marae and Te Rama meeting house is a meeting place of Ngāti Te Rama and Ngāti Whaoa. Waimahana or Marapounamu Marae and Rahurahu meeting house is a meeting place for Ngāti Rahurahu.^[10][11]

Reporoa College is a co-educational state secondary school for Year 7 to 13 schools,^[12][13] with a roll of 163 as of February 2024.^[14]

Reporoa also has two primary schools for Year 1 to 6 students: Reporoa School,^[15] with a roll of 102;^[16] and Broadlands School,^[17][18] with a roll of 78.^[19]