The Devonshire Association (DA) is a learned society founded in 1862 by William Pengelly and modelled on the British Association, but concentrating on research subjects linked to Devon in the fields of science, literature and the arts.

William Pengelly, FRS FGS was a British geologist and amateur archaeologist who was one of the first to contribute proof that the Biblical chronology of the earth calculated by Archbishop James Ussher was incorrect.