John Blair Balfour, 1st Baron Kinross PC DL (born 11 July 1837 – 22 January 1905) was a Scottish lawyer and Liberal politician who sat in the House of Commons from 1880 to 1899.

Balfour was born in the manse at Clackmannan, the son of Rev.

In the 1902 Coronation Honours list it was announced that he would receive a barony,[5] and on 15 July 1902 he was created Baron Kinross, of Glascune in the County of Haddingtonshire.

They had one son who lived with the family and was trained as an advocate:[8] After the death of his first wife, he married secondly the Hon.

[3] Together, they were the parents of five children, four sons and one daughter, including:[11] Lord Kinross died 22 January 1905, at his home at 6 Rothesay Terrace[12] in Edinburgh, and was buried in the "Lords Row" in Dean Cemetery, Edinburgh.