M
Madog ap Gwallter
Madog Benfras
Madog Dwygraig
Mainwaring, John
Maredudd ap Rhys
Marsiant
Matthews, Edward (Ewenny)
Meilyr ap Gwalchmai
Meilyr Brydydd
Meredith, Owain
Mervyn, Madoc
Miall, Twm [Llion Williams]
Middleton, Hugh
Miles, Gareth
Miltwn, Robert
Morgan, Derec Llwyd
Morgan, Dyfnallt
Morgan, Elin Llwyd
Morgan, Eluned
Morgan, Mihangel
Morgan, Prys
Morgan, T. J.
Morris, Edward
Morris, Eleri Llewelyn
Morris, Lewis (Llewelyn Ddu o Fôn)
Morris-Jones, John
Morys, Huw (Eos Ceiriog)
Morys, Twm
Myrddin ap Dafydd