Mark Albert Penick (July 17, 1895 – September 13, 1952) was an American politician and lawyer.
Penick served as a pilot in the United States Army Air Forces during World War I.
Penick received his bachelor's and law degrees from University of Chicago.
Penick served in the Illinois Senate from 1933 to 1937 and was a Democrat.
Penick died at St. Mary's Hospital in Quincy, Illinois after suffering a stroke.