The House of Wedel is an old and distinguished German noble family, from Stormarn in what is now Schleswig-Holstein. The family members held the title of Prince, Count and Baron.

Karl, Prince of Wedel, born Karl Leo Julius Graf von Wedel, was a Prussian general and diplomat who served as the fourth Imperial Lieutenant of the Reichsland of Alsace–Lorraine from 27 October 1907 until his resignation on 18 April 1914.