Sir Ian Charles Athfield KNZM (15 July 1940 – 16 January 2015) was a New Zealand architect. He was born in Christchurch and graduated from the University of Auckland in 1963 with a Diploma of Architecture. That same year he joined Structon Group Architects, and he became a partner in 1965. In 1968 he was a principal partner in setting up Athfield Architects with Ian Dickson and Graeme John Boucher (Manson). Athfield died in 2015 due to complications from a routine procedure which resulted in pneumonia, at the Wellington Hospital, where he was being treated for prostate cancer.