Allan McLean (1752 – 8 October 1847) was a Scottish-born lawyer and politician in Upper Canada. He was the first lawyer in 1794 authorized to practise in Kingston. He was first elected in May 1804 as a member of the Legislative Assembly of Upper Canada. From 1805 to 1824, McLean represented the riding of Frontenac in the 4th to 8th Parliaments of Upper Canada.