Nellie Lisa Melles, 2nd Baroness Burton (née Bass, formerly Baillie; 27 December 1873 – 28 May 1962) was a British heiress and art collector.

Lady Burton's grandfather, Michael Thomas Bass, served in the British Parliament.

[citation needed] In 1894, she married Colonel James Evan Bruce Baillie, of Dochfour in Inverness-shire, with whom she had three children.

[1] Upon her first marriage, she received a gold snuff box from the Prince George, Duke of Cambridge.

[7] She was an art collector and consigned woven tapestries from 1760 and 1783 that were designed by Jean-François de Troy.