The Roman military standards included the emblems adopted by several units of the Roman army through its history.
Among these there were:
* ''
Aquila
Aquila may refer to:
Arts, entertainment, and media
* ''Aquila'', a series of books by S.P. Somtow
* ''Aquila'', a 1997 book by Andrew Norriss
* ''Aquila'' (children's magazine), a UK-based children's magazine
* ''Aquila'' (journal), an or ...
'', the emblem of the
Roman legion
The Roman legion ( la, legiō, ) was the largest military unit of the Roman army, composed of 5,200 infantry and 300 equites (cavalry) in the period of the Roman Republic (509 BC–27 BC) and of 5,600 infantry and 200 auxilia in the period of t ...
after the Marian reforms;
* ''
Vexillum
The ''vexillum'' (; plural ''vexilla'') was a flag-like object used as a military standard by units in the Ancient Roman army.
Use in Roman army
The word ''vexillum'' is a derivative of the Latin word, ''velum'', meaning a sail, which con ...
'', the emblem of a legion, cohors, numerus or detachments of such units;
* ''
Draco
Draco is the Latin word for serpent or dragon.
Draco or Drako may also refer to:
People
* Draco (lawgiver) (from Greek: Δράκων; 7th century BC), the first lawgiver of ancient Athens, Greece, from whom the term ''draconian'' is derived
* ...
'', a cavalry standard later adopted also by infantry units;
* ''
Labarum
The labarum ( el, λάβαρον) was a '' vexillum'' (military standard) that displayed the " Chi-Rho" symbol ☧, a christogram formed from the first two Greek letters of the word "Christ" ( el, ΧΡΙΣΤΟΣ, or Χριστός) – ''Chi'' (� ...
'', personal ensign of emperor
Constantine I, later adopted as army standard.