Frank Boyd Merriman, 1st Baron Merriman GCVO OBE PC QC (28 April 1880 – 18 January 1962), often known as Boyd Merriman, was a Conservative Party politician and judge in the United Kingdom.
Merriman was born in Knutsford, Cheshire, and educated at Winchester College. He did not go to university, but became an articled clerk with a firms of solicitors in Manchester, and later studied for the bar. He was called to the bar at the Inner Temple in 1904, and became a King's Counsel (KC) in 1919. During World War I, he served with the Manchester Regiment and was awarded an OBE in 1918.
Merriman was elected at the 1924 general election as Member of Parliament (MP) for Manchester Rusholme, and served as Solicitor General for England and Wales under Stanley Baldwin from 1928 to 1929 and under Ramsay MacDonald from 1932 to 1933. He left Parliament in 1933, when he was appointed as President of the Probate, Divorce and Admiralty Division of the High Court. He was knighted in 1928 and elevated to the peerage in 1941 as Baron Merriman, of Knutsford in the County Palatine of Chester. In 1950 he was appointed a Knight Grand Cross of the Royal Victorian Order (GCVO).