Michael Llewellyn may refer to:
Mike Llewellyn, cricketer Sir Michael Llewellyn, 2nd Baronet (1921–1994) of the Llewellyn baronets Michael Llewellyn (rugby), in 2008–09 Rugby-Bundesliga squads
See also Michael Llewellyn-Smith, British diplomat and academic Michael Llewellyn-Smith (architect), Australian architect and city planner