Sir William Milner, 3rd Baronet

Sir William Mordaunt Milner, 3rd Baronet (6 October 1754 – 9 September 1811) of Nun Appleton Hall, Yorkshire, was a British Member of Parliament and Lord Mayor of York.

[1] He was the eldest surviving son of Sir William Milner, 2nd Baronet, of Nun Appleton by Elizabeth, the daughter and coheiress of Revd.

He was elected Lord Mayor of York for 1787–88 and again for a second term for 1798–99.

He married in 1776, Diana, the daughter of Humphrey Sturt of Crichel More, Dorset.

He was succeeded by his son Sir William Mordaunt Sturt Milner, 4th Baronet.