A
- ABBA (6)
- Paula Abdul (1)
- Ace of Base (2)
- Adam and the Ants (1)
- Bryan Adams (4)
- Adele (1)
- Aerosmith (2)
- Christina Aguilera (3)
- Afroman (1)
- a-ha (1)
- Akon (1)
- Alien Ant Farm (1)
- Peter Allen (1)
- All-4-One (1)
- All Saints (1)
- Herb Alpert (1)
- Anastacia (2)
- Lynn Anderson (1)
- The Animals (1)
- Paul Anka (1)
- Adam Ant (1)
- Aqua (2)
- Jann Arden (1)
- Louis Armstrong (2)
- Johnny Ashcroft (1)
- Rick Astley (1)
- The Atlantics (1)
- Australian Crawl (1)
- Australian Idol Final 12 (1)
Read more about this topic: List Of Artists Who Reached Number One On The Australian Singles Chart