Francis John Newhook OBE (16 November 1918 – 1 December 1999) was the head of the School of Plant Pathology at the University of Auckland, New Zealand.
He was the first plant pathologist at the university, from 1966 (sponsored by New Zealand Forest Products) as an Associate Professor, and from 1969 a personal chair.
In World War II he was a Major in the 2nd NZEF in the Middle East and Italy.
Newhook published extensively on fungal pathogens, especially Phytophthora, and wrote over 90 scientific papers and other publications.
Newhook was awarded a Doctor of Science degree by the University of London c.1982, and was appointed an Officer of the Order of the British Empire in the 1984 Queen's Birthday Honours.