William de Moravia of Petty

{{short description|12th-13th century Scottish noble}}

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{{Infobox noble|type

| name = William de Moravia

| title = Lord of Petty, Bracholy, Boharm and Arteldol

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| noble family = de Moravia family

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| father = William, son of Freskin

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| death_date = c. 1226

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William de Moravia (died c. 1226), Lord of Petty, Bracholy, Boharm and Arteldol, was a Scottish noble.

He was the second son of William, son of Freskin.{{cite book|title=The Scots Peerage|last=Paul|first=Sir James|date=1909|publisher=David Douglas|location=Edinburgh|url=https://archive.org/stream/scotspeeragefoun08paul#page/n343/mode/2up|volume=8|page=320}} His elder brother was Hugh de Moravia of Duffus and Strathbrock. William gifted the church of Artendol to the Cathedrals of Spynie and Elgin. He was appointed as Sheriff of Inverness and Nairn in 1204. William built the chapel of Galival, near Gauldwell Castle prior to 1222. He died before October 1226.