A33, A 33 or A-33 may refer to :
*
Douglas A-33, a 1941 American ground-attack fighter aircraft
*
A33 Excelsior British heavy tank prototype
*
HLA-A33, a human serotype
*
Samsung Galaxy A33 5G, an Android smartphone
and also :
* One of the ''Encyclopaedia of Chess Openings'' codes for the
English Opening
The English Opening is a chess opening that begins with the move:
: 1. c4
A flank opening, it is the fourth most popular and, according to various databases, one of the four most successful of White's twenty possible first moves. White begins ...
in chess
Roads
*
A33 road (England), a road connecting Reading and Southampton
*
A33 motorway (France), a road connecting Nancy and Dombasle-sur-Meurthe
*
A 33 motorway (Germany), a road connecting the A 30 in the north and the A 44 in the south
*
A33 motorway (Italy), a road under construction connecting Asti and Cuneo
*
A33 motorway (Spain), a proposed road in Murcia connecting Cieza and Font de la Figuera
*
A33 road (Sri Lanka), a road connecting Ja Ela-Ekala-Gampaha-Yakkala
*
A33 road (Botswana), a road in Botswana.
{{Letter-NumberCombDisambig