Long Tom (cannon)

• 155 mm Long Tom, a U.S. World War II era field gun
• 155 mm Creusot Long Tom, a Boer War field gun
• 64-pounder Long Tom, a U.S. Civil War cannon
• 42-pounder Long Tom, as found on the General Armstrong
• 24-or 32-pound "Long Tom" cannon, as found on the American or Spanish Guerrero
• 18-pound Long Tom, as found on the American privateer Decatur