Byron Barnard Lamont AM (born 2 January 1945) is a Western Australian botanist.
He is currently a senior researcher within the Department of Environmental Biology of Curtin University of Technology.
A specialist in ecology of the flora of the South West Botanic Province, he has published hundreds of papers.
Born in Perth, Western Australia, he attended Applecross and Mount Pleasant Primary Schools, and later Wesley College.
He then undertook a Master's degree under the supervision of Brian Grieve, focussed on soil-plant relationships of Hakea, especially its proteoid roots.