WI or wi may refer to:
Places
- West Indies postal abbreviation
- Wiesbaden, a city in southwest Germany
- Wisconsin, US (postal abbreviation)
People and characters
- Wi (mythology), a Lakota deity
- Wi (surname), a Korean family name
- Wi Man of Gojoseon, a military leader from the Han dynasty state of Yan, in modern Korea
Businesses and organizations
- West Indies cricket team, in cricket statistics
- Women's Institutes, a locally organised group for women in various countries including Britain and Canada
Other uses
- Wi (hangul), a Korean character
- Wi (kana), an obsolete Kana character
- Waterfall ice, the ice formed from a frozen waterfall; see
See also
- Wii, Nintendo's fifth home video game console
- W1 (disambiguation)
- WL (disambiguation)
- Wiwi (disambiguation)