François Antoine Marie Constantin de Méan et de Beaurieux (French pronunciation: [fʁɑ̃swa ɑ̃twan maʁi kɔ̃stɑ̃tɛ̃ də meɑ̃ e də boʁjø]; Saive, 6 July 1756 – 15 January 1831), was Archbishop of Mechelen, Belgium.
He was born as son of François Antoine, Count of Méan de Beaurieux and Elisabeth of Hoensbroeck-Oost, his older brother Peter Karel became Count of Mean after his father's death.
On 17 September 1785, at the age of 29, he was ordained as a priest in Liège, Belgium. He was appointed Bishop of Liège on 16 August 1792, succeeding his uncle César-Constantin-François de Hoensbroeck as the last Sovereign Prince-Bishop of that principality. He was ejected in July 1794 by French troops and the Principality was annexed to France the following year, ha resigned only in 1802.
He was recognized a Prince (personal title) in 1816 and appointed Archbishop of Mechelen on 28 July 1817. He became the first Archbishop of Belgium in 1830.