Marcus, Markus, or Márkus's a given name and a surname. See Marcus (name). Marcus may also refer to: In places Marcus, Iowa, USA Marcus, Washington, USA Marcus Island, Japan, Also know as Minami Torishima In people Marcus (comedian), finalist on Last Comic Standing season 6 Marcus (Marcosian), founder of the Marcosian Christian heretic sect Marcus (Manichean), Manichean missionary in Spain Marcus (usurper) (died 407), Roman usurper emperor in Britain, 406–407 In music Marcus… (More on Marcus)