At least two warships of Japan have borne the name Aso: - {{ship|Japanese cruiser|Aso}} launched as the Russian cruiser Bayan in 1900 she renamed after being captured by Japan in 1905. She was struck in 1930 and expended as a target in 1932.
- {{ship|Japanese aircraft carrier|Aso}} an {{sclass-|Unryū|aircraft carrier}} launched in 1944 but never completed. She was expended as a target in 1945.
{{italic title prefixed|13}}{{ship index}}{{DEFAULTSORT:Aso}} 2 : Japanese Navy ship names|Imperial Japanese Navy ship names |