Look up By in Wiktionary, the free dictionary.

By or BY may refer to the following:

• by or bye, a free pass through a round of competition in a tournament
• (cc-by), a Creative Commons attribution license
• Budget Year (BY), a synonym for Fiscal Year
• By, Doubs, a commune in the Doubs département of France
• Bavaria (BY), official abbreviation of the German federal state Bavaria
• Burundi (BY), FIPS Pub 10-4 and obsolete NATO digram country code
• Belarus (BY), World Meteorological Organization and 2-letter ISO 3166-1|ISO country code
  • .by, the ccTLD for Belarus
• Byelorussian Soviet Socialist Republic, TLD/two letter ISO country code
• Thomsonfly (and formerly its predecessor, Britannia Airways) IATA airline code
• John By, a 19th century British military engineer famous for his work in Canada

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