A51 may refer to:
*
Area 51
Area 51 is the common name of a highly classified United States Air Force (USAF) facility within the Nevada Test and Training Range. A remote detachment administered by Edwards Air Force Base, the facility is officially called Homey Airport ...
, the nickname for a military base in Nevada that is the subject of many conspiracy theories
*
A51 Terrain Park (Colorado) A51 may refer to:
* Area 51, the nickname for a military base in Nevada that is the subject of many conspiracy theories
* A51 Terrain Park (Colorado), a terrain park in Keystone, Colorado
* A51 road (England), a road connecting Kingsbury and Ches ...
, a terrain park in Keystone, Colorado
*
A51 road (England)
The A51 is a road in England which runs for 85 miles (137 km) from Chester, Cheshire to Kingsbury, North Warwickshire.
It takes on the following route:
*Chester
* Vicars Cross
* Littleton
*Tarvin (bypass opened 1984)
*Duddon
* Clotton
*T ...
, a road connecting Kingsbury and Chester
*
A51 motorway (France)
The A51 autoroute is a partly completed motorway in southeast France. It is the long-term project to connect Marseille to Grenoble via Aix-en-Provence, the Durance Valley and the Hautes-Alpes department.
Route
The motorway passes the cities of A ...
, a road connecting Marseille and Grenoble
*
A5/1, in cryptography, a stream cipher used in GSM cellular networks
*
Samsung Galaxy A51
The Samsung Galaxy A51 is an Android smartphone manufactured by Samsung Electronics as part of its Galaxy A series. It was announced and released in December 2019. The phone has a Super AMOLED FHD+ 6.5 in display, a 48 MP wide, 12&nbs ...
, a smartphone released in 2019
* A51, one of the Encyclopaedia of Chess Openings codes for the
Budapest Gambit
The Budapest Gambit (or Budapest Defence) is a chess opening that begins with the moves:
:1. d4 Nf6
:2. c4 e5
Despite an early debut in 1896, the Budapest Gambit received attention from leading players only after a win as Black by Grandmast ...
in chess
* A-51, a
Namibian hip hop
Hip hop music has been popular in Africa since the early 1980s due to widespread African American influence. In 1985, hip hop reached Senegal, a French-speaking country in West Africa. Some of the first Senegalese rappers were M.C. Lida, M.C. Sol ...
band
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