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- Mr Kattedath Madhavan
- Mr Salah Magd
- Dr Vineet Mahajan
- Dr Khalid Mahdi
- Dr Tariq Mahmood
- Dr Modhar Mahmoud
- Mr Jonathan Man
- Dr Aditya Mandal
- Dr David Mangion
- Mr Mohammad Maqsood
- Mr Ian Mark
- Mr Ashok Marudanayagam
- Mr Tahir Masudi
- Dr Philip Mathew
- Mr Dilip Mathur
- Dr Rashmi Mathur
- Mr Simon Matusiewicz
- Mr Ross McKinlay
- Dr James McPeake
- Mr Shaukat Memon
- Mr Hasnat Minhas
- Mr Zakir Mohamed
- Mr Jayarama Mohan
- Dr Nicola Moores
- Mr Prabhakar Motkur
- Dr Venkateshan Muthukrishnan
- Dr Bethan Myers