Arctica was an ancient continent that formed in the Neoarchean era.

Arctica or Arktika may also refer to:

• Arctica (bivalve), a bivalve genus in the family Arcticidae
• "Arctica" (song), a single by Amberian Dawn
• 1031 Arctica, a dark asteroid
• Arktika (1972 nuclear icebreaker)
  • Arktika-class icebreakers, a class of Soviet and later Russian nuclear icebreakers
• Arktika (2016 nuclear icebreaker), a Project 22220 icebreaker
• Arktika 2007, a Russian expedition involving a crewed descent to the ocean bottom at the North Pole
• Azimut Hotel Murmansk or Artika, a hotel in Russia
• Fratercula arctica, the Atlantic puffin or common puffin, a species of seabird in the auk family
• Physaria arctica, a perennial flowering herb in the family Brassicaceae
• Salix arctica, the Arctic willow, a creeping willow in the family Salicaceae
• Trivia arctica, a marine gastropod mollusc in the family Triviidae

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