Marcum is a family name. Notable persons with that name include: Samuel Henry Marcum (1937-present), aircraft & drone pilot,John Marcum (1995-present), ARCA founder, NASCAR official Johnny Marcum (1909–1984), baseball pitcher Justin Marcum, politician Kent Marcum, composer Leo Marcum, American politician, lawyer Shaun Marcum, baseball pitcher Tim Marcum (1944–2013), football coach