The term Ark, derived from arca the Latin word for "chest", and generally synonymous with "refuge", is traditionally used to refer to one of:

• Noah's Ark
• Any other similar large ship, see ark (ship)
• the ark of bulrushes in which the infant Moses was said to have been laid
• The Ark of the Covenant
• Raiders of the Lost Ark
• Ark: The holiest spot in a synagogue according to Judaism where the Torah is stored. An English word sometimes used instead of the Hebrew term aron kodesh
• Interstellar ark
• At least two different rock bands
• An Eidolon in the videogame Final Fantasy IX
• A space colony called Space Colony ARK from the video game Sonic Adventure 2
• An album called Ark by the Japanese band L'Arc~en~Ciel
• The Ark is an Autobot spaceship in the fictional Transformers Universe
• The Ark archiving tool for KDE
• The Linux Distribution, Ark Linux
• The main character from the video game Terranigma.
• Abels Ark from the video game Xenosaga or Xenogears