Marz may refer to:
- people
- Ron Marz, comic book author
- Richard Marz, Canadian politician
- Marz (rapper), an American rapper
- geography
- Marz (Armenia), the first order administrative division of Armenia
- Marz, Austria, a town in the district of Mattersburg, Burgenland, Austria
- Marz, Hormozgan, a village in Hormozgan Province, Iran
- Marz, North Khorasan, a village in North Khorasan Province, Iran