G41, G-41 or G.41 may refer to:

Military references 

• Gewehr 41, a German rifle used in World War II

• Heckler & Koch G41, a German assault rifle

• HMS Panther (G41), a United Kingdom Royal Navy destroyer which saw service during World War II

• SMS G41, an Imperial German Navy torpedo boat

Commercial products 

• Victorian Railways G class locomotive number

• IBM ThinkPad G41, a model of the G-series Thinkpads, which were used as desktop replacements.

• Intel G41 microchips set for desktop computers.

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