Mark Sullivan may refer to: Mark J. Sullivan, Director of the United States Secret Service, 2006–13 Mark Sullivan (cricketer) (born 1964), South African cricketer Mark Sullivan (wheelchair basketballer), New Zealand wheelchair basketballer in New Zealand men's national wheelchair basketball team Mark T. Sullivan, American author of mystery and suspense novels Mark Sullivan (judge) (1911–2001), justice on the New Jersey Supreme Court, 1973–1981 Mark Sullivan (public servant), former Secretary of the Australian Government Department of Veterans' Affairs Mark Sullivan, founder Snowboard Magazine Mark Sullivan, keyboardist for several California bands including Toiling Midgets Mark Sullivan, chief scientist for Eagle Eye Technologies, Inc, later SkyBitz Mark Sullivan (visual effects artist), Academy Award nominated visual effects artist Mark Sullivan (actor), Actor also known as Mark Jude Sullivan Mark Sullivan (American football), American football coach