Riwaka (Māori: Riuwaka) is a small settlement in the Tasman District of New Zealand's South Island.

It lies beside Tasman Bay / Te Tai-o-Aorere, five kilometres north of Motueka, and close to the mouth of the Riuwaka River.

Although some people chose not to answer the census's question about religious affiliation, 66.3% had no religion, 21.2% were Christian, 0.4% had Māori religious beliefs, 0.4% were Hindu, 0.4% were Buddhist and 3.1% had other religions.

[11] Kaiteriteri-Riwaka statistical area, which also includes Mārahau and Kaiteriteri, covers 29.48 km2 (11.38 sq mi)[1] and had an estimated population of 1,990 as of June 2024,[12] with a population density of 68 people per km2.

Before the 2023 census, Kaiteriteri-Riwaka had a smaller boundary, covering 28.57 km2 (11.03 sq mi).

Although some people chose not to answer the census's question about religious affiliation, 62.5% had no religion, 26.1% were Christian, 0.7% had Māori religious beliefs, 0.2% were Hindu, 0.5% were Buddhist and 2.7% had other religions.

[13] The Saint Barnabas Anglican church is located on Main Road, Riwaka.