A54
# A54

A54 may refer to:

* A54 road (England), a road connecting Chester and Buxton
* A54 motorway (France), a road connecting Salon-de-Provence and Nîmes
* A54 motorway (Italy), a ring road around Pavia
* A-54 freeway (Spain), a road connecting Santiago de Compostela and the N-550, N-634 and N-547
* A54 motorway (Belgium), a road connecting Charleroi and E19
* Agent A-54, a German double agent during World War II
* Old Indian Defense, Encyclopaedia of Chess Openings code
* Fiat A.54, a seven-cylinder, air-cooled radial engine developed in Italy in the 1930s as a powerplant for aircraft
* INS Amba (A54), a 1968 Indian Navy submarine tender ship
* Kanehana Station in Hokkaidō, Japan
* Samsung Galaxy A54 5G, an Android smartphone by Samsung Electronics
