List of Japanese World War II navy bombs

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

The Japanese navy produced a large number of different types of bombs, these were sub-divided into three main categories: [6] 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.

~ Type 45 No.44 Mk 6 bomb model 1 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.

Finally the lower-case letter in parentheses indicates the different but similar designs.

A diagram of a Type 98 No.25 "Land Bomb" showing the typical construction of Japanese Navy land bombs, a thin walled steel cylinder with a nose and tail screwed and welded on.
Ordnance used in Pearl Harbor attack. Left: Type 98 #25 land bomb. Middle: Type 91 modification 2 Torpedo. Right: Type 99 #80 Mark 5 High-altitude armor-piercing bomb.