Lucas R. Allen (July 17, 1878 – April 7, 1964) was a merchant and political figure on Prince Edward Island.
He was born in St. Nicholas, Lot 17, Prince Edward Island, the son of Benjamin C. Allen and Melvina Goodwin, both natives of New Brunswick.
He was also plant manager for Island Foods Inc., which manufactured dehydrated potatoes for troops during World War II.
He served in the province's Executive Council as a minister without portfolio.
This article about a Prince Edward Island politician is a stub.