Viscount Boyd of Merton, of Merton-in-Penninghame in the County of Wigtown, is a title in the Peerage of the United Kingdom. It was created in 1960 for the Conservative politician and former Secretary of State for the Colonies, Alan Lennox-Boyd. The Hon. Sir Mark Lennox-Boyd, youngest son of the first Viscount, is also a Conservative politician. the title is held by his eldest son, the second Viscount, who succeeded in 1983.
The family seat was formerly Ince Castle, near Saltash in Cornwall.
The heir apparent is the present holder's son the Hon. Benjamin Alan Lennox-Boyd (b. 1964).
The heir apparent's heir apparent is his son Alan George Simon Lennox-Boyd (b. 1993). Arthur Rupert George Lennox-Boyd (b. 2021), son of Alan George Lennox-Boyd, is his father's heir.
| Escutcheon: | Azure a fess chequy Argent and Gules between an abbatical mitre simplex of the second filleted of the third in chief and in base a rose of the second seeded Vert and barbed of the third. |
| Crest: | A dexter hand erect in pale having two fingers turned in and the rest pointing upwards Proper the wrist habited in a close sleeve Azure with cuff chequy Argent and Gules. |
| Supporters: | Two squirrels Proper having collars chequy Argent and Gules [3] |