Norman Brice Byrnes (1922 – 1998) was an Australian botanist, specialising in taxonomy.
[2] Byrnes worked in Darwin in the Northern Territory from 1966 to 1973 then began at the Queensland Herbarium.
He specialised in the families Combretaceae and Myrtaceae and his plant collections are stored in the Queensland and Northern Territory herbaria.
[3][4] In 1986, Byrnes retired to live at Bingil Bay where he established an arboretum in Ross Overton Park at nearby Mission Beach and acted as coordinator for a local environment group called "C4".
[5][6] He is the author of A revision of Combretaceae in Australia[7] and of papers formally describing plants including Lophopetalum arnhemicum,[8] Melaleuca biconvexa,[9] Melaleuca punicea[10] and Verticordia verticillata.