A semi-automatic shotgun is a repeating shotgun with a semi-automatic action, i.e. capable of automatically chambering a new shell after each firing, but requires individual trigger-pull to manually actuate each shot.^[1] Semi-automatic shotguns use gas operation, blowback, or recoil operation to cycle the action, eject the empty shell, and load another round.^[2] The first semi-automatic shotgun was the Automatic-5 by Browning.^[3][1]

Many semi-automatic shotguns also provide an optional manual means of operation such as by pump action or a charging handle.

Notable semi-automatic shotguns include:

Akdal MKA 1919 Baikal MP-153 Benelli M1014 Beretta 1301 Beretta AL391 Beretta Xtrema 2 Browning Auto-5 Daewoo USAS-12 Franchi Special Purpose Shotgun 12 Franchi SPAS-15 High Standard Model 10

Ithaca Mag-10 IWI Tavor TS12 Mossberg 9200 Mossberg 930 Remington Model 1100 Remington Model 11-87 Remington Model SP-10 Saiga-12 ("Сайга-12") Sjögren shotgun Smith & Wesson Model 1000 SRM Arms Model 1216 Vepr-12 Walther interbellum semi-automatic

• List of shotguns
• List of semi-automatic shotguns
• Assault weapon
• Automatic shotgun
• Personal defense weapon
• Semi-automatic firearm