By

By or BY may refer to:

Places

• By, Doubs, France, a commune
• By, Norway, a village

Codes

• Belarus ISO country code
  • .by, country-code top-level domain for Belarus
• Burundi, obsolete FIPS Pub 10-4 and NATO digram country codes
• TUI Airways IATA airline code, formerly Thomson Airways, Thomsonfly and Britannia Airways

Other uses

• John By (1779–1836), British military engineer famous for his work in Canada
• CC BY, a Creative Commons attribution license
• Budget year, a synonym for fiscal year

See also

• -by, a common suffix for settlements in northern England
• Bye (disambiguation)