A91 or A-91 may refer to:
*
A91 road A91 or A-91 may refer to:
* A91 road, a trunk road in Scotland
* Dutch Defence, in the Encyclopaedia of Chess Openings
* A-91, a Soviet bull-pup assault rifle, derived from the 9A-91 carbine
{{Letter-NumberCombDisambig ...
, a trunk road in Scotland
*
Dutch Defence
The Dutch Defence is a chess opening characterised by the moves:
: 1. d4 f5
Black's 1...f5 stakes a claim to the e4-square and envisions an attack in the middlegame on White's ; however, it also weakens Black's kingside to some extent, espec ...
, in the Encyclopaedia of Chess Openings
*
A-91
The A-91 is a Russian bullpup assault rifle developed by the KBP Instrument Design Bureau during the 1990s. It is an evolution of the earlier 9A-91 carbine, primarily designed to be compact, reliable, and versatile in urban combat scenarios. ...
, a
Soviet
The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...
bull-pup assault rifle, derived from the 9A-91 carbine
{{Letter-NumberCombDisambig