|Dean of the Chapel Royal|
|Church||Church of Scotland|
|In office||1969 to 1973|
|Other post(s)||Moderator of the General Assembly (1968-1969)|
|Birth name||James Boyd Longmuir|
|Born||26 April 1907|
|Died||22 October 1973 66)(aged|
|Education||Dalziel High School|
James Boyd Longmuir CBE , TD (26 April 1907 – 22 October 1973) was an eminent Church of Scotland minister in the 20th century.  
Longmuir was born on 26 April 1907. He was educated at Dalziel High School, a secondary school in Motherwell, North Lanarkshire, Scotland. He studied at the University of Glasgow. 
Longmuir was ordained to Swinton Parish in 1934 where he served until 1952. During World War II, he served with the Royal Army Chaplains' Department and was awarded the Territorial Decoration.  After that he was Minister at Chirnside.
He was a member of the Kilbrandon Commission. 
He was Dean of the Chapel Royal  and Chaplain to HM Bodyguard for Scotland (The Royal Company of Archers) from 1969 to 1973. He was an Honorary Chaplain to the Queen. 
He served as Principal Clerk to the General Assembly of the Church of Scotland, and was appointed a Commander of the Order of the British Empire (CBE) in the 1973 New Year Honours. 
Longmuir died on 22 October 1973. He was aged 66. 
The Dean of the Chapel Royal, in any kingdom, can be the title of an official charged with oversight of that kingdom's chapel royal, the ecclesiastical establishment which is part of the royal household and ministers to it.
The Ecclesiastical Household is a part of the Royal Household of the sovereign of the United Kingdom. Reflecting the different constitutions of the churches of England and Scotland, there are separate households in each nation.
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