A500 may refer to:
A500 road, England A500 steel, an ASTM International grade steel for structural steel applications Adam A500, a utility aircraft Amiga 500, a home computer by Commodore Amiga 500 Plus or 500+, a home computer by Commodore Acorn A500, an early prototype of the Acorn Archimedes computer DSLR-A500 a.k.a. α500, a digital SLR with A-mount in the Sony Alpha camera system Acer Iconia Tab A500, a tablet computer by Acer