Marz or März is a German surname. Notable people with the surname include:
Heiko März (born 1965), German footballer Jonas Marz (born 1989), German footballer Kurt Marz (1924–20??), Austrian rower Richard Marz (born 1944), Canadian politician Ron Marz (born 1965), American comic book writer Roswitha März (born 1940), German mathematician and writer Tommy Marz (born ?), American singer-songwriter and guitarist Tyler Marz (born 1992), American football player
See also Marz (rapper) (born ?), Croatian-born American rapper Marz Lovejoy (born ?), American hip hop musician and rapper Martz (surname), a similarly spelled surname