Baron Forres, of Glenogil in the County of Forfar, is a title in the Peerage of the United Kingdom. It was created in the 1922 Birthday Honours for the businessman and Liberal politician Sir Archibald Williamson, 1st Baronet. He had already been created a Baronet of Glenlogil in 1909. Williamson was the son of Stephen Williamson. who represented St Andrews and Kilmarnock in the House of Commons. the titles are held by the first Baron's great-grandson, the fourth Baron, who succeeded his father in 1978. He lives in New South Wales, Australia.

Barons Forres (1922)

The heir apparent is the present holder's son, the Hon. George Archibald Mallam Williamson (b. 1972).