Upper deck may refer to :

• The Upper Deck Company, an American trading card business
• The upper deck is the highest level internal deck on a ship, i.e. just below the superstructure and open deck.
• The second (or higher) tier (deck) of seating in a sports stadium

The Upper Deck Company, LLC (colloquially as Upper Deck and Upper Deck Authenticated, Ltd. in the UK), founded in 1988, is a private company primarily known for producing trading cards. Its headquarters are in Carlsbad, California, United States.