A73

A73 or A-73 may refer to:


 * Benoni Defense, in the Encyclopaedia of Chess Openings
 * ARM Cortex-A73, a microprocessor
 * Samsung Galaxy A73 5G, an Android smartphone

Roads

 * A73 motorway (Netherlands)
 * A73 road, in the United Kingdom
 * Quebec Autoroute 73 in Quebec
 * Autovía A-73, a Spanish motorway
 * Bundesautobahn 73, a German motorway also called A 73

Animals

 * A73, an orca more commonly known as Springer (orca)