Sir David Baird, 3rd Baronet, of Newbyth, DL was a Scottish army officer and landowner.

Lennoxlove House is a historic house set in woodlands half a mile south of Haddington in East Lothian, Scotland. The house comprises a 15th-century tower, originally known as Lethington Castle, and has been extended several times, principally in the 17th, 19th and 20th centuries. The house is protected as a category A listed building, and is described by Historic Scotland as "one of Scotland's most ancient and notable houses." The wooded estate is included on the Inventory of Gardens and Designed Landscapes in Scotland, the national listing of significant gardens.