Kirkaldy is a common misspelling of the Scottish town Kirkcaldy, and is also a surname.
People with the surname include:
Andrew Kirkaldy (golfer) (1860–1934), Scottish golfer
Andrew Kirkaldy (racing driver) (born 1976), Scottish racing driver
David Kirkaldy (1820–1897), Scottish engineer giving his name to the
George Willis Kirkaldy (1873–1910), English entomologist
Hugh Kirkaldy (1865–1895), Scottish golfer
Irene Morgan Kirkaldy (1917–2007), also known as Irene Morgan, African-American civil rights activist
James Kirkaldy, treasurer of Scotland (also spelled Kirkcaldy)
Kirkaldy Testing Museum, at his old works in Southwark, London
Roy Kirkaldy (c.1910 – 13 August 1973), Australian rugby league player
William Kirkaldy of Grange, Scottish politician and soldier (also spelled Kirkcaldy)