A1
A1, A-1 or A.1. may refer to:
Education
- A1, the Basic Language Certificate of the Common European Framework of Reference for Languages
- Language A1, the former name for "Language A: literature", one of the IB Group 1 subjects
- A1, a secondary school subdivision in the Congolese education system
- A1, a baccalauréat series in the education system of some parts of France
- A1, a baccalaureate in the Gabonese education system, see Education in Gabon
- A1, the highest category of Qualified Flying Instructor in the Central Flying School of the UK Royal Air Force
Grades
- A1, a grade for the Leaving Certificate, a qualification in the education system of Ireland
- A1, the highest available grade for the Sijil Pelajaran Malaysia examination in Malaysia
- A1, a grade for the Senior Secondary Certificate Examination in Nigeria, see Education in Nigeria
- A1, a grade for the Singaporean GCE 'O' Level, an examination in the education system of Singapore
- A-1, an Academic grading in Pakistan commonly used in the education system of Pakistan
Entertainment
Books, magazines, comics and manga
- A1 (comics), a comics anthology
- A-1 Comics, a 1944–1955 Golden Age comics publication
- A1—The Great North Road, a book by Paul Graham (photographer)
Cinema and movies
- A-1 Headline, a 2004 Hong Kong movie
- A 001, operazione Giamaica (Our Man in Jamaica), a 1965 Italian adventure movie directed by Ernst R. von Theumer
- A1, a 1999 Syrian movie, see List of Syrian movies
- A1 (2019 movie), Indian Tamil movie
Companies
- A1 Film Company, a Burmese cinema company
- A-1 Pictures, a Japanese animation studio
Games
- A1 Games, an American video game publisher for the PlayStation
- A1 – Slave Pits of the Undercity, a part of Scourge of the Slave Lords, and adventure module for the Dungeons & Dragons role-playing game
- Larsen's Opening, a chess move, A01 in ECO code
- A1, a square on a chessboard
Music and dance
- Aone Beats or Aone, music producer
- A1, a part in contra dance choreography
- A-1 Sound Studios, a recording studio owned by Herb Abramson
- A-1, an American rap group behind the album Mash Confusion
- A-One (band), a Mandopop group
- A1 (band), a British-Norwegian boy band
- A1 Bentley, rapper and reality TV star (from Love & Hip Hop: Hollywood)
- A1 x J1, teenage rappers who had a hit with "Latest Trends" featuring Aitch
Albums
- A1, an album by Ertuğ Ergin
- A1, an album by Tony Cetinski
- A One, an album by Ayumi Hamasaki
- A1 (album), a 2002 album by Norwegian band A1
Television and radio
- A-One (TV channel), a Russian music channel
- A1 TV channel (Macedonia)
- A1 Report, a television station in Albania
- America One, an American television network
- A 1, see List of radio stations in Austria and Liechtenstein
- A1, a promotional name for CHIN (AM) radio in Canada
- A1, a Slovenian radio network owned by Radiotelevizija Slovenija
- A-1 Detective Agency, a fictional detective agency in the radio series I Love a Mystery
Science
Astronomy
- A1, a class of star, see stellar classification
- "A1" subobject designations, including:
Roads
- A1 roads in several countries; see List of A1 roads