David Lloyd Jones (born 1944) is an Australian horticultural botanist and the author of many books and papers, especially on Australian orchids. Jones was born in Victoria and in his youth, was a student at Burnley Horticultural College, then the University of Melbourne, graduating with the degree of Bachelor of Science in Agriculture. He was employed for 14 years by the Victorian Department of Agriculture where he helped develop programs involving the nutrient requirements of Australian native plants. He later owned several commercial nurseries. In 1972 his first description of an orchid, Pterostylis aestiva, was published, then in 1978, his first book, Australian Ferns and Fern Allies, written with Stephen Clemesha, was published. In 1987 Jones worked first as a horticultural research of