Mark Griffiths may refer to:
*
Mark Griffiths (musician)
Mark-Haydn Griffiths is a British bassist who toured with Neil Innes in his touring ensemble of the fictional Beatles parody the Rutles where he performs Rutles songs and other songs from his career such as his songs from the Bonzo Dog Doo-Dah B ...
, British bassist
*
Mark D. Griffiths
Mark D. Griffiths is an English Chartered (professional), chartered psychologist focusing in the field of Behavioral addiction, behavioural addictions, namely gambling disorder, Video game addiction, gaming addiction, Internet addiction, sex addi ...
, English psychologist
{{hndis, Griffiths, Mark