Marcomer, also spelled Marcomeres, Marchomer, or Marchomir was a Frankish Dux in the late 4th century who assisted in an invasion of the Roman Empire in the year 388, as the usurper and leader of the whole of Roman Gaul, Magnus Maximus, was surrounded by Theodosius I in the city of Aquileia.
- Occupation
- politician
- Position held
- king of Franks
- Born
- 400
- Died
- 392
