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 code: BY), formerly Thomson Airways, Thomsonfly and Britannia Airways

Other uses

• By Saam (1914–2000), American sports announcer
• 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
• B-Y, blue-luminance difference in color

See also

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