Walter Biggar Blaikie FRSE DL LLD (23 November 1847 in Pilrig, Edinburgh – 3 May 1928) was a Scottish civil engineer, printer, historian and astronomer.

[1] Second of the seven recorded sons of Margaret Catherine Biggar and William Garden Blaikie, minister of Pilrig Free Church, Walter Biggar Blaikie was educated at Edinburgh Academy and the University of Edinburgh.

[3] He became one of the leading scholars of the Jacobite period, especially of the life of Bonnie Prince Charlie.

[4] He is buried in the grave of his maternal grandfather, Henry Balfour Biggar, in the north-east corner of the north extension to St Cuthberts Churchyard in Edinburgh.

In 1928 his daughters donated a large collection of his historical papers concerning the Jacobite Uprising and the Stuarts to the National Library of Scotland.