William Maldwyn "Mal" Griffiths (8 March 1919 – 5 April 1969) was a Welsh footballer who played as an outside right for Leicester City and Wales. Born in Merthyr Tydfil, Griffiths started out in local football before signing for Arsenal. After a spell at Arsenal's nursery club Margate he returned to the senior team and played nine league games (scoring five goals) in 1937–38 as Arsenal won the old First Division. Griffiths also won eleven caps for Wales, scoring two goals.