List of submachine guns
This is a list of submachine guns.
It includes Submachine guns, Machine pistols, Personal [defense weapon] systems, and "compact submachine gun-like weapons" not easily categorized. Weapons may fit in more than one category.
| Name | Manufacturer | Image | Cartridge | Country | Produced | Serial production | Type |
| AAI SMG | AAI Corporation | 18.5mm |  United States |