Marcius may refer to:
*
Marcius (family), ancient Romans
*
''Marcius'' (insect), a genus in family
Alydidae
See also
*
Martius (disambiguation)
Martius may refer to:
* Martius (month) the month of March on the ancient Roman calendar
* Campus Martius, the "Field of Mars" in ancient Rome
* Telo Martius, an ancient name for Toulon, France
People
* Carl Friedrich Philipp von Martius (1794–1 ...
*
Marsyas (disambiguation)
{{disambiguation, surname