81 Squadron or 81st Squadron may refer to:
*
81st Fighter Squadron, a unit of the United States Air Force
*
VFA-81 (Fighter Attack Squadron 81), a unit of the United States Navy
See also
*
81st Division (disambiguation) 81st Division or 81st Infantry Division may refer to:
; Infantry divisions :
* 81st (West Africa) Division (United Kingdom)
* 81st Division (People's Republic of China)
* 81st Reserve Division (German Empire)
* 81st Division (Imperial Japanese Ar ...
*
81st Brigade (disambiguation)
*
81st Regiment (disambiguation)
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