Francis Hiorne FSA (1744 – 9 December 1789) was an architect and builder based in Warwick.
He was the son of William Hiorne (c.1712 – 22 April 1776) and Mary Duncalfe. He was elected a Fellow of the Society of Antiquaries on 7 April 1784.
He also influenced the design of Rosemary Street Presbyterian Church, Belfast, erected in 1783.