Fred John Allen (July 27, 1865 – February 2, 1917) was an American politician and lawyer from Maine.

[1] Allen, a Republican, served in the Maine Legislature from 1901 to 1908.

Allen served two terms in the Maine House of Representatives from 1901 to 1904.

[2] Prior to Allen's time in politics, he attended Bowdoin College and served as superintendent of Sanford public schools.

[1] Allen's brother, Amos L. Allen, spent 12 years in the United States Congress from Maine's 1st congressional district.