William Burnes or William Burness (11 November 1721 – 13 February 1784) was the father of the poet Robert Burns.
He was born at either Upper Kinmonth or Clochnahill Farm, Dunnottar, Kincardineshire, and trained as a gardener at Inverugie Castle, Aberdeenshire, before moving to Ayrshire and becoming a tenant farmer.
His parents were Robert Burnes and Isabella Keith.
He retained the spelling 'Burnes' throughout his life, however his son favoured the Ayrshire spelling of 'Burns'.