This article contains a list of

flag A flag is a piece of fabric (most often rectangular or quadrilateral) with a distinctive design and colours. It is used as a symbol, a signalling device, or for decoration. The term ''flag'' is also used to refer to the graphic design empl ...

s for which the reverse (back ) is different from the

obverse Obverse and its opposite, reverse, refer to the two flat faces of coins and some other two-sided objects, including paper money, flags, seals, medals, drawings, old master prints and other works of art, and printed fabrics. In this usage, ...

(front ). It includes current as well as historic flags of both nations and national subdivisions such as provinces, states, territories, cities and other administrations (including a few that are not recognized by the

United Nations The United Nations (UN) is an intergovernmental organization whose stated purposes are to maintain international peace and security, develop friendly relations among nations, achieve international cooperation, and be a centre for harmoni ...

or whose sovereignty is in dispute). When the flag is that of a nation, the Subdivision column is blank ( — ). The list below do not includes flags for which the reverse side is congruent (identical ) nor is it a mirror image of the obverse side (horizontally flipped ). Flag sides are usually mirror copy to satisfy manufacturing constraints. Identical flags are much less common and contain an element for which a simple mirror image would be problematic, such as text (e.g. The Flag of Saudi Arabia includes the

shahada The ''Shahada'' ( Arabic: ٱلشَّهَادَةُ , "the testimony"), also transliterated as ''Shahadah'', is an Islamic oath and creed, and one of the Five Pillars of Islam and part of the Adhan. It reads: "I bear witness that there i ...

, an Islamic creed) or a geographic feature (e.g. The

Flag of the United Nations The flag of the United Nations consists of the emblem depicting the white azimuthal equidistant projection of the world map, centred on the North Pole, with two white olive branches placed on to its right and left, located on the sky blue ba ...

included an

Azimuthal equidistant projection The azimuthal equidistant projection is an azimuthal map projection. It has the useful properties that all points on the map are at proportionally correct distances from the center point, and that all points on the map are at the correct azimut ...

of the earth). Flags having a truly different designs on both their sides (two-sided ) differ from the norm. The only UN-recognized nation whose present-day flag officially contains a unique image on each side is

Paraguay Paraguay (; ), officially the Republic of Paraguay ( es, República del Paraguay, links=no; gn, Tavakuairetã Paraguái, links=si), is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to t ...

. Not all impression of two-sided flags are ''de facto'' two-sided because of practical manufacturing constraints or, judging from how often it was disregarded in practice, some formal concern of heraldic nature. As such it may very well be prescribed legally from the very beginning and ever ignored in practice by institutions of every type. Many of those flag are reconstructions based on various degree of evidence.

Flags by nation

Citations

{{Lists of flags reverse

Flags by nation

See also

Citations