William Robert Young PC (Ire) DL (c.1856 – 12 September 1933) was an Irish linen merchant, politician and philanthropist.

Young was born at Galgorm Castle, Ballymena, County Antrim. He was educated at Harrow School and then joined the family firm of J. & R. Young of Belfast. A prominent Unionist, he was appointed to the Privy Council of Ireland in the honours for the opening of the Parliament of Northern Ireland in July 1921 for his charitable work,^[1] entitling him to the style "The Right Honourable".

• Obituary, The Times, 13 September 1933

• "Young, Right Hon. William Robert" . Thom's Irish Who's Who . Dublin: Alexander Thom and Son Ltd. 1923. p. 260  – via Wikisource.