David Hooper (1858 – 31 January 1947) was an English pharmaceutical chemist who served as a quinologist at the cinchona plantations in Ootacamund in India.
He worked at Ootacamund until 1896 briefly also managing the cinchona plantations and serving as government botanist.
He completed the Materia Medica of Madras (1891) which was begun by Moodeen Sheriff but incomplete due to his death.
He took an interest in traditional herbal remedies and isolated the alkaloid vasicine from Adhatoda vasica during this period.
[2][3][4] While working in Ootacamund he met Hannah Carr, the daughter of the Baptist minister Thomas Evans and married her in 1887.