Machen (surname)

Machen is a surname often but not always of Welsh origin (derived from the town Machen). Notable people with the surname include:
 * Alwyn Machen (1901–1960), British trade union leader
 * Arthur Machen (1863–1947), Welsh author and mystic, best known for his supernatural, fantasy and horror fiction
 * Bernie Machen (born 1944), American academic, President of the University of Utah (1999–2003) and of the University of Florida (from 2003)
 * Eddie Machen (1932–1972), American boxer
 * Hervey Machen (1916–1994), U.S. Representative from Maryland 1965–69
 * John Gresham Machen (1881–1937), American Presbyterian theologian
 * Lewis H. Machen (1871–1927), American politician from Virginia
 * Ronald Machen (born 1969), American lawyer, U..S. Attorney for the District of Columbia 2010–15
 * Thomas Machen (c. 1541–1614), English merchant who was three times mayor of Gloucester
 * William H. Machen (1832–1911), Dutch painter and teacher who relocated to America
 * Willis Benson Machen (1810–1893), U.S. Senator from Kentucky 1872–73