Ein Awduron
a
- Huw Aaron
- Luned Aaron
- Paul Abbandonato
- Sam Adams
- Isabel Adonis
- Gino Alberti
- Siôn Aled
- June Alexander
- Myfanwy Alexander
- Penny Alexander
- Connor Allen
- Malcolm Allen
- Alun,
- Amrywiol,
- Amrywiol/Various,
- Maja Andersen
- Maja Anderson
- Tom Anderson
- Mr Ando
- Jos Andrews
- Sïan Angharad
- Comisiwn dros Annibyniaeth
- Dan Anthony
- Steve Anthony
- Steve Antony
- Gruffudd Antur
- Charles Arch
- Lois Arnold
- Robat Arwyn
- Sara Ashton
- Neville Astley
- Astley/Baker/Davies,
- Robert Atenstaedt
- Simon Atkins
- Maisie Awen
