John Herbert McCluskey, Baron McCluskey (12 June 1929 – 20 July 2017) was a Scottish lawyer, judge and politician. He served as Solicitor General for Scotland, the country's junior Law Officer from 1974 to 1979, and as a Senator of the College of Justice, a judge of Scotland's Supreme Courts, from 1984 to 2004. He was also member of the House of Lords from 1976 until his retirement in 2017.