George Simonds Boulger FLS FGS FRHS (1853–1922) was an English botanist.
Boulger wrote articles as the Kew Gardens Correspondent of The Times, and other works on botany and natural history.
He had also been Lecturer on Botany and Geology at the City of London College, since 1884, and at the Imperial Institute since 1917.
Boulger's works were published in many editions, these were: The Uses of Plants (1889), Familiar Trees, Biographical Index of British and Irish Botanists (with James Britten), The Country Month by Month: (with Jean Allan Owen), Elementary Geology, Flowers of the Field, Flowers of the Wood, Botany, Plant Geography, British Flowering Plants (with Mrs. Henry Perrin), and Wood (1902).
The Uses of Plants talks about commercial uses of plants in fields such as food production and medicine, Wood discusses about the characteristics and many uses of wood, describing and illustrating various classification and durability of many different types of timber。 Boulger married Dorothy Havers in 1879, the daughter of Thomas Havers, of Thelton Hall, Norfolk.