Sir William Honyman, 1st Baronet (December 1756 – 5 June 1835), also known by his judicial title Lord Armadale, was a Scottish landowner, and judge from Orkney. On his lands in Sutherland he was one of the first landlords to evict tenants in order to create sheep farms, a process which grew to become the Highland Clearances.
He used his political power in Orkney to return as Member of Parliament (MP) for Orkney and Shetland first his brother Robert, then his son Robert, and finally a younger son Richard.