William Hamilton Beattie (10 December 1842 – 29 November 1898) was a Scottish architect specialising in hotel design in the late 19th century.
He trained under David Bryce from 1855 but returned to the family to create "George Beattie & Son", based at 17 Grove street, around 1860.
Beattie died of a cerebral haemorrhage at his home, 13 Douglas Crescent in Edinburgh on 29 November 1898.
Beattie married Iona Mary McCaskie (born 1847) but outlived her by almost ten years, as she died on 30 December 1889.
1886; d. Suva, Fiji 1957) who forwent the family tradition of architecture and taught physics at Christ Church, Oxford.