William Brownlow PC (I) (10 April 1726 – 28 October 1794)[1] of Lurgan, County Armagh was an Anglo-Irish politician.

[2] Brownlow served as High Sheriff of Armagh for 1750 and was first elected to the Irish House of Commons as the Member of Parliament for County Armagh in 1753, styled The Right Honourable and holding the seat until his death.

[3] He was an officer of the Irish Volunteers and one of the founding subscribers of the Bank of Ireland in 1783.

[1] He was generally seen as a reformer, although there were allegations that he misused public funds to improve his demesne.

Together, they had at least six further children, including:[a] William, his eldest son and heir, also became an MP for County Armagh and founded the bank of William Brownlow Esq.,& Co. Charles became a Lieutenant-Colonel in the 57th Foot and succeeded his childless brother in 1815.