A (disambiguation)

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A is the first letter of the Latin and English alphabet.

A may also refer to:

Science and technology[edit]

Quantities and units[edit]

Astronomy[edit]

Biology[edit]

Computing[edit]

Programming languages[edit]

Other uses in computing[edit]

Mathematics and logic[edit]

Other uses in science and technology[edit]

Arts and media[edit]

Books[edit]

Film and TV[edit]

Films[edit]

Film ratings[edit]

Television[edit]

Music[edit]

Performers[edit]

  • A (band), a British alternative rock band

Albums[edit]

Songs[edit]

Other media[edit]

Geography[edit]

Linguistics[edit]

Letters[edit]

  • A (or a), the first letter of the Latin alphabet
  • A (Bengali), the romanized name of the Bengali letter অ
  • A (cuneiform), the romanized name of a cuneiform sign
  • A (Cyrillic) (A or а), the first letter of the Cyrillic alphabet
  • A (kana) (or a), the romanized name of the Hiragana syllable letter あ and of the Katakana syllable letter ア used in Japanese, which may also be used to represent Asia
  • Alpha (Α or α), the first letter of the Greek alphabet

Other uses in linguistics[edit]

People[edit]

Philosophy and religion[edit]

Transport[edit]

Automobile[edit]

Rail[edit]

Ships[edit]

Other uses[edit]

  • A (grade), an academic grade
  • A series of paper sizes defined by ISO 216, e.g. A4, A5 sizes
  • A formation, an American football offensive formation
  • A-Frame, a type of structure
  • Ace, a playing card
  • Agilent Technologies, with U.S. ticker symbol A
  • Sentinel Peak (Arizona), more commonly known as "A" Mountain for the man-made rock formation in the shape of the letter
  • Alfa, the military time zone code for UTC+01:00
  • Farmall A, a tractor produced by International Harvester from 1939 to 1947

See also[edit]