Jonas Carlsson Dryander was a Swedish botanist.
Dryander was born in Gothenburg. He was a pupil of Carl Linnaeus at Uppsala University. He arrived in London on 10 July 1777. He was botanist/librarian to Sir Joseph Banks from 1782, librarian of the Royal Society and Vice-President of the Linnean Society.
Dryander's publications included Catalogus bibliothecae historico-naturalis Josephi Banks.
In 1784, he was elected a foreign member of the Royal Swedish Academy of Sciences.
The genus Dryandra was named in his honour by his friend and fellow Swede Thunberg.