Margus may refer to:
*
Margus (name), Estonian given name
*
Margus (city) Margus was an ancient Roman city situated at locality of present-day Požarevac (Serbia). Latin name ''Margus'' was in use after the Roman conquest in the first century BC. Before the Roman conquest, the area was inhabited by Thracians, Dacians an ...
, a former Roman city at the locality of modern Požarevac, Serbia
*Margus River, the Roman name of
Great Morava, see
Battle of the Margus
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