National Submarine Memorial may refer to:

• National Submarine War Memorial, London, England
• National Submarine Memorial - East at Groton, Connecticut, United States
• National Submarine Memorial - West at Naval Weapons Station Seal Beach, United States

• United States oil and gas law
• United States oil and natural gas law
• United States oil politics
• United States Olympic Curling Trials
• United States Olympic Training Center
• United States Olympic Trials (swimming)
• United States one-dollar banknote
• United States one hundred thousand dollar-bill
• United States one thousand-dollar bill
• United States Open
• United States Open (crosswords)
• United States Open (golf)
• United States Open Series
• United States Open (squash)
• United States Open (tennis)
• United States Operations
• United States order
• United States Organized Crime Strike Force
• United States Pacific Islands
• United States-Pakistan relations
• United States Parachute Association
• United States Parole Commission
• United States passport
• United States Passport
• United States Passport Card