This is a complete list of all aerial bombs used by the Imperial Japanese Navy during the Second World War.

Types

The Japanese navy produced a large number of different types of bombs, these were sub-divided into three main categories:

Color coding system

Bombs

Rocket bombs

The Japanese produced a number of bombs with rocket motors installed, intended for air-to-air use against bomber formations, or as armor-piercing weapons. Only two saw service, the Type 3 No.25 Mk 4 armor-piercing rocket bomb, and the Type 3 No.6 Mk.27 air-to-air rocket bomb.

Incendiary bombs

~ Type 45 No.44 Mk 6 bomb model 1

Gas bombs

Cluster type bombs

Practice bombs

Flares

Smoke floats and markers

Misc

Fuzes

Japanese Navy bomb fuzes designation system was unknown to the Allies until after the end of the Second World War. As a result, a designation system was created to describe the fuzes as follows. It consists of a capital letter, a numeral and a lower-case parenthetical letter. The capital letter designates the fuzes type as follows: The numeral approximates the order in which the fuzes were captured by the allies. Finally the lower-case letter in parentheses indicates the different but similar designs. Where possible the original Japanese designation is given.