Campus Martius (disambiguation)

Campus Martius may refer to:


 * Campus Martius, the "Field of Mars" in ancient Rome
 * Campus Martius (Ohio), an 18th-century fortification
 * Campus Martius Museum, on the site of the Campus Martius fort in Ohio
 * Campus Martius Park in Detroit, Michigan
 * Campus Martius station, a QLine station serving the park
 * Campus Martius, Latin name for the Marchfield (assembly)