Charles Barton Keen (December 5, 1868 – February 12, 1931) was an American architect, prominent in the late 19th and early 20th centuries.

[1] Born in Philadelphia, Pennsylvania, in 1868,[2] the youngest of the three sons of Charles Burtis Keen and Harriet Emily Ide.

[1] Keen designed suburban residences and country estates for over thirty-five years, mostly along the Philadelphia Main Line.

As a member of Pine Valley Golf Club, he won his division at the 1920 winter tournament at Pinehurst, North Carolina.

[1] In May 1923, at the request of Katharine Reynolds Johnston, Keen relocated his family from Pennsylvania to Winston-Salem.