William Robertson FRSE (1740–1803) was an 18th-century Scottish antiquary who served as Keeper of Records for Scotland.
He was born in Fordyce in northern Scotland in 1740 the son of James Robertson and his wife, Isabella Taylor.
[1] In 1758 Turner released him to become personal clerk to Lord Monboddo and assisted him on the infamous "Douglas case".
In 1766 Lord Monboddo recommended him as Chamberlain to James Ogilvy, 6th Earl of Findlater.
His proposers were Andrew Dalzell, Lord Woodhouselee, and John Playfair.