A
- A Band Called Quinn
- John Abell, countertenor, composer and lutenist
- Aberfeldy, Pop band
- AC Acoustics
- Admiral Fallow Indie Folk Band
- Stuart Adamson. Big Country
- Aereogramme, Rock band
- Alestorm, Pirate Metal band
- John Alford
- The Aliens (Offshoot of the Beta Band)
- Charlie Allan, bandleader of Saor Patrol
- James Allan lead singer with Glasvegas
- Dot Allison singer and songwriter,electronic music, Former lead singer with band One Dove in the early 1990s
- The Almighty (band)
- Altered Images
- Alyth, singer
- Amplifico Indie band
- Ian Anderson singer, flautist, songwriter, and guitarist Jethro Tull
- Miller Anderson, guitarist who played at Woodstock as a member of The Keef Hartley Band
- Moira Anderson, singer
- Aneka (aka Mary Sandeman), singer, Japanese Boy
- Annie Christian (band)
- Annie Lennox, from Eurythmics
- Billie Anthony, (1932–1991), singer
- APB
- Arab Strap
- Craig Armstrong, composer
- Arthur Montford Experience, band
- Aspen Tide
- Associates
- Astrid, band
- Atlantic Banks
- Attic Lights, indie rock band
- Average White Band Funk Rock Brass Band
- Aztec Camera, band
Read more about this topic: Scottish Musicians