Abbreviations, acronyms, and initialisms are likely to be ambiguous, needing disambiguation. Thus abbreviations should usually be expanded (see Naming conventions (abbreviations)) beforehand.

For two- and three-letter combinations, there is generally a list detailing a few or many possible uses.

Sample Wiki markup for abbreviations[edit]

Case Sample What you type
Article NATO see sample NATO and Wikipedia:Naming conventions (abbreviations)
Redirect US
 #redirect [[United States]]
Alternative use SI
 :''Alternative use: ISO country code for [[Slovenia]]''
SI
 :''Alternative uses: see [[SI (disambiguation)]]''
Disambiguation and abbreviation expansion page Au
 '''Au''' or '''AU''' may refer to:
 * [[Astronomical Unit]] (AU)
 * [[Atomic units]] (au)
 * [[Gold]], atomic symbol Au
 * [[Australia]], ISO country code AU
 * [[Au, Vorarlberg]], a town in the district of Bregenz in Vorarlberg in Austria
 
 ((disambig))

2-3 letter combinations[edit]

Abbreviations[edit]

The following group undisambiguated abbreviations in the Wikipedia namespace. It can be helpful to make sure that the abbreviation links to the abbreviated article title (if such an article exists).

Miscellaneous information[edit]