6-pounder gun, 6 pounder, 6pdr, QF 6 pounder or QF 6-pdr are abbreviations usually denoting a gun which fired a projectile of approximately 6 pounds. It may refer to:

• A cannon sized for a 6 pound ball, see Naval artillery in the Age of Sail
• QF 6 pounder Hotchkiss : a 57 mm naval gun of the 1880s, used by many countries into WWII. Used in early British tanks of WWI.
• QF 6 pounder 6 cwt Hotchkiss : British 57 mm tank gun of 1917, a shortened Hotchkiss gun used in later British tanks of WWI.
• QF 6 pounder Nordenfelt : a 57 mm naval gun very similar to the Hotchkiss, also used by many countries from the 1880s onwards.
• QF 6 pounder 10 cwt gun : a British twin mount naval and coast defence gun of the 1930s to 1950.
• Ordnance QF 6 pounder 7cwt: 57 mm anti-tank and tank gun of World War II.
• Molins gun, an autoloading version of the Ordance QF 6 pounder, used on motorboats and aircraft in WWII.

This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.