David Hay Fleming, LL.D. (1849–1931) was a Scottish historian and antiquary.
Fleming came from St Andrews, a university town in East Fife and was educated at Madras College secondary school. His family had a china and stoneware business, which he sold in 1883 to concentrate on his interests[1]
In his bequest, he left money to found the Hay Fleming Reference library. The collection was a bequest to the town of St Andrews, in 1932, of the library of Fleming, and consists of c13,000 volumes
His grandson was the historian and economist David Fleming.[2]