The James L. Lawther House is an octagon house in Red Wing, Minnesota, United States. The owner, James Lawther, built it after he visited Dubuque, Iowa and toured the Langworthy House there. At the time, the Langworthy House was the grandest house of its type on the upper Mississippi River. The Lawther House was built in 1857, with an addition in 1870. Its location, at the corner of Third and Hill Streets, has been termed "one of the most architecturally significant intersections in Minnesota" and is part of the Red Wing Residential Historic District. It is listed on the National Register of Historic Places.