Guidon may refer to:
;Flags:
*
Guidon (heraldic flag), a type of heraldic flag
*
Guidon (Commonwealth), a swallow tailed flag for the colours of a light cavalry regiment
*
Guidon (Portugal), a ''guião'' (small square guidon) is carried by each unit of battalion size
*
Guidon (United States), a military standard
;Other:
*
Guidon (rank)
Ensign (; Late Middle English, from Old French (), from Latin (plural)) is a junior rank of a commissioned officer in the armed forces of some countries, normally in the infantry or navy. As the junior officer in an infantry regiment was tra ...
, a military rank equivalent to ensign
*
Guidon Club, an anti-woman's suffrage club founded by
Helen Kendrick Johnson
People
*
Niède Guidon
*
Giachem Guidon
*
Anita Moen-Guidon
Publications
*
The GUIDON, Official Newspaper of the Ateneo de Manila University
See also
*
Colours, standards and guidons
*
Guidon Games
{{disambig