John Ballantyne Cairns KCVO KStJ (born 1942) is a retired minister of the Church of Scotland.
He then served as minister of Aberlady and Gullane Parish Churches, East Lothian, until retiring in 2008.
[1] In retirement, he is serving (as of 2011) as part-time locum minister at St Columba's Church, London.
His formal title (following the end of his Moderatorial year) is the Very Reverend Dr John Cairns.
The General Assembly over which he moderated was uniquely held in the Edinburgh International Conference Centre.