CWI may refer to:

Organizations and institutions

  • Care for the Wild International
  • Centrum Wiskunde & Informatica, Amsterdam, the Netherlands
  • Certified Welding Inspector, American Welding Society
  • Children's Welfare Institute, Shanghai, China
  • Christian Witness to Israel
  • Civil War Institute at Gettysburg College
  • College of Western Idaho, a new Community College in Nampa, Idaho
  • Committee for a Workers' International (1974), an international socialist organisation which split in 2019 into the Committee for a Workers' International (2019) and International Socialist Alternative
  • Communist Workers' International
  • Cricket West Indies, the governing body for cricket in the Caribbean

Other uses

  • Chicago and Western Indiana Railroad
  • "Civil War: The Initiative", a comic book crossover storyline
  • Cloverway Inc., a Japanese Animation dubbing company in the United States
  • CWI (encoding), a Hungarian character set in the 1980s
  • The Cold War, on the grounds of a second