Chinese New Zealanders (Māori: Tāngata Hainamana o Aotearoa; simplified Chinese: 新西兰华人; traditional Chinese: 紐西蘭華人; pinyin: Niǔxīlán Huárén) or Sino-New Zealanders are New Zealanders of Chinese ancestry. The largest subset of Asian New Zealanders, many of the Chinese immigrants came from Mainland China, Hong Kong, Taiwan, or other countries that have large populations of Chinese diaspora. Today's Chinese New Zealand group is also composed of diasporic communities from Indonesia, Malaysia, Cambodia, Vietnam and Singapore. As of 2018, Chinese New Zealanders account for 4.9% of the population of New Zealand, and are the largest Asian ethnic group in New Zealand, accounting for 36.3% of Asian New Zealanders.

In the 1860s gold rush immigrants from Guangdong arrived. Due to this historical influx, there is still a distinct Chinese community in Dunedin, whose former^[update] mayor Peter Chin is of Chinese descent. However, most Chinese New Zealanders live in the North Island, and are of more recent migrant heritage.^{[failed verification]} Chinese people historically faced severe discrimination in New Zealand, through means varying from the head tax to racist violence. In 2002, the New Zealand Government publicly apologised to China for the racism ethnic Chinese were dealt by New Zealand. Chinese people, culture and cuisine have had a profound impact on modern New Zealand, and are today seen as an inextricable and defining part of the country's rich and diverse culture. Chinese New Year is widely celebrated throughout the country, and although no conventional Chinatowns exist anymore, strongholds of ethnic Chinese exist in Auckland, Wellington, Christchurch and Dunedin. Mandarin is New Zealand's fourth-most-spoken language, while various dialects of Chinese make up the second-most spoken group of languages in New Zealand. Many famous and innovative New Zealanders are of Chinese ancestry, such as Augusta Xu-Holland, Bic Runga, Boh Runga, Brent Wong, Chris Tse, Manying Ip, Meng Foon, Michelle Ang, Renee Liang, Roseanne Liang, and Rose Lu.

There were 247,760 people identifying as being part of the Chinese ethnic group at the 2018 New Zealand census, making up 5.3% of New Zealand's population. This is an increase of 76,359 people (44.5%) since the 2013 census, and an increase of 100,200 people (67.9%) since the 2006 census. Some of the increase between the 2013 and 2018 census was due to Statistics New Zealand adding ethnicity data from other sources (previous censuses, administrative data, and imputation) to the 2018 census data to reduce the number of non-responses.

There were 116,220 males and 131,553 females, giving a sex ratio of 0.883 males per female. The median age was 33.1 years, 48,633 people (19.6%) aged under 15 years, 61,002 (24.6%) aged 15 to 29, 114,510 (46.2%) aged 30 to 64, and 23,625 (9.5%) aged 65 or older.

In terms of population distribution, 69.1% of Chinese New Zealanders live in the Auckland region, 18.9% live in the North Island outside the Auckland region, and 11.9% live in the South Island. The Howick local board area of Auckland has the highest concentration of Chinese people at 25.6%, followed by the Upper Harbour local board area (23.6%) and the Puketāpapa local board area (16.5%). Wellington City and Hamilton City have the highest concentration of Chinese people outside of Auckland at 6.3% and 5.8% respectively. The Buller District and Central Hawke's Bay District had the lowest concentrations of Chinese people at 0.3%.

The proportion of Chinese New Zealanders born overseas was 73.3%, compared with 27.1% for all ethnicities. Over half (58.3%) of those born in New Zealand were aged under 15. The majority of Chinese New Zealanders were from Mainland China, Taiwan made up a third of all immigrants and ten percent came from Malaysia. The remainder of Chinese immigrants to New Zealand came from Singapore, Hong Kong, Vietnam, and Indonesia.

English is by far the most widely spoken language among the usually resident Asian population in New Zealand. Nonetheless, the next most common language after English in New Zealand was Yue or Cantonese (16 percent of Asian people with a language) and Northern Chinese/Mandarin (12 percent). Other Chinese languages spoken in Aotearoa New Zealand include Hokkien, Hakka, and Teochew. Some Chinese New Zealanders also adhere to speaking Malay and Indonesian due to a small influx of Chinese immigrants from Southeast Asia.

The New Zealand Chinese Journals (1920–1972) database contains over 16,000 digitised pages from three Chinese-language publications: