Papanui is a major suburb of Christchurch, New Zealand. It is situated five kilometres to the northwest of the city centre. Papanui is a middle socio-economic area with a population of 3,645 consisting predominantly of Pākehā 86.9%, Asian 7.6%, Māori 5.3%, Pacific peoples 3.1%, Middle Eastern/Latin American/African 0.7%. The suburb is located at the junction of three busy thoroughfares; Papanui Road leading to the city, the Main North Road that leads to North Canterbury and Harewood Road that leads to Christchurch International Airport. However, as with most Christchurch suburbs, Papanui has no defined borders.

Christchurch is the largest city in the South Island and the second-largest city by urban area population in New Zealand, after Auckland. Christchurch lies in the Canterbury Region, near the centre of the east coast of the South Island, east of the Canterbury Plains. It is located near the southern end of Pegasus Bay, and is bounded to the east by the Pacific Ocean and to the south by Banks Peninsula. The Avon River / Ōtākaro flows through the centre of the city, with a large urban park along its banks. Christchurch has a reputation for being an 'English' city, with its architectural identity and common nickname the "Garden City" due to similarities with garden cities in England.