Coca is any of the four cultivated plants in the family Erythroxylaceae, native to Southwest America.

• Coca may refer to any of the four cultivated plants which belong to the family Erythroxylaceae.

Coca may also refer to:

• Coca tea, a beverage made from coca leaves
• Coca wine or Mariani wine is an alcoholic wine made from the coca plant
• Coca Sek, a short-lived carbonated drink from Colombia that contained coca
• Coca Colla, a Bolivian soft drink that contains extract of the coca leaf created to rival Coca-Cola
• Coca eradication, a controversial part of the United States' War on Drugs policy
• Coca flour, a dietary supplement made from the ground leaves of the coca plant.
• People:
  • Eugen Coca, Moldovian composer and violinist
  • Imogene Coca (1908–2001), comic actress
  • Fat Joe, who uses Coca as a nickname

Coheed and Cambria is an American progressive rock and alternative rock band from Nyack, New York, formed in 1995. The band consists of Claudio Sanchez (lead vocals, guitar, keyboards), Travis Stever (guitar, backing vocals), Josh Eppard (drums, keyboards), and Zach Cooper (bass). The group's music incorporates aspects of progressive rock, pop, heavy metal, and post-hardcore.