The title "Earl of Strathearn" is a Scottish noble title that dates back to the 14th century. It is associated with the region of Strathearn in Perthshire, Scotland. The title has been held by various noble families over the centuries and is part of the peerage system in Scotland. The current holder of the title is Prince William, who was granted the title in 2011. The title is one of several that he holds, including the titles of Duke of Cambridge and Baron Carrickfergus. The Earl of Strathearn is a significant title within the Scottish nobility, reflecting the historical importance of the region.