Roger John Field ONZM (born 5 July 1946) is a retired New Zealand plant scientist and university administrator.

Born in Birmingham, England, on 5 July 1946,[1] Field completed a joint honours degree in botany and zoology at the University of Hull, and a PhD in plant science, also at Hull.

[2] The title of his doctoral thesis was The movement of plant growth regulators and herbicides.

He also served as the chair of the New Zealand Vice-Chancellors’ Committee, and was a council member of the Association of Commonwealth Universities.

[2] In the 2013 New Year Honours, Field was appointed an Officer of the New Zealand Order of Merit, for services to education and land-based industries.