David John Galloway FRGS, FLS, FRSNZ[7] (7 May 1942 – 6 December 2014) was a biochemist, botanist, and lichenologist.

As an undergraduate he assisted James Murray, the first New Zealand lichenologist of the twentieth century, and this experience influenced the direction of his scientific career.

At the University of Otago, he was from 1963 to 1965 a fellow and tutor at Knox College and from 1965 to 1968 an assistant lecturer in biochemistry.

In 1974 in Westminster, London, he married the opera singer Patricia Payne (who was born in Dunedin, New Zealand).

[11] Galloway was awarded Archived 24 June 2021 at the Wayback Machine the Acharius Medal 2008 for outstanding contributions to lichenology.

[14] In 2011 Galloway was elected a Foreign Member of Sweden's Royal Society of Arts and Sciences in Gothenburg.