- Xinglong Ma
- Nicola Macchioni
- Jon Macey
- Siobhan Maclean
- Iain MacRury
- Christine Maggs
- Preeti Mahato
- Joan Mahoney
- Andrew Main
- Eva Makris
- Claudia Maldonado Pires
- Mark Maltby
- Harry Manley
- Chemseddine Mansouri
- Susan Mant
- Anna Mantzouratou
- Stefanos Marangos
- Darko Maricevic
- Evangelia Marinakou
- Sara Marino
- Jennifer Mark
- Maeve Marmion
- Philip Martin
- Philip Martin
- David Mascord
- Tom Masters
- Phil Mathews
- Clive Matthews
- Jamie Matthews
- Thomas Matthews
- Ifigeneia Mavridou
- Marian Mayer
- Andrew Mayers
- Joanne Mayoh
- John McAlaney
- Dermot McCarthy
- Helen McCarthy
- Michael McCarthy
- Innes McCartney
- Alison McConnell
- Kathryn McDonald
- Julian McDougall
- Sine McDougall
- Kevin McGhee
- Tim McIntyre-Bhatty
- Sarah McKeown
- Ian McKinley
- Curtis McKinney
- Poppy McLaughlin
- Shenel McLawrence