Glyn Keith Murray Mason, 2nd Baron Blackford, CBE DSO JP (29 May 1887 – 31 December 1972) was a British businessman, magistrate and Conservative politician.
Mason served as a colonel in the 14th Hussars, seeing action in World War I in France, Salonica and Palestine.
He kept his seat in the 1923, 1924, 1929, 1931, and 1935 general elections, facing Gilbert Foan for the Labour Party on three occasions.
During World War II, Mason served in the City of London Home Guard.
In the 1950s, he was considered for the post of Chancellor of the Primrose League, a conservative-leaning political and social organisation in honour of Benjamin Disraeli.