Josh Griffiths (born 3 November 1993) is a Welsh marathon runner.

His performance gained him qualification to represent Great Britain at the World Championships in London in 2017.

[2] The marathon was held on 6 August,[3] and Griffiths completed the race in a time of 2:20.06 to finish in 39th place.

[6] Griffiths, aged 23 at the time of the 2017 London Marathon, lives in his family's home in rural West Wales.

[7] He studied at Cardiff Metropolitan University, and graduated with a master's degree in sports coaching in July 2017.