John Jones Griffiths (1839–1901) was an educationalist, Liberal politician and prominent figure in the public life of the Rhondda, Wales.
After five years he earned a scholarship to Bangor Normal College where he was one of the first students and a contemporary of John Rhys.
[1] In 1866 he left Beaufort for Aberaman and during his time there became involved in Liberal politics and campaigned for Henry Richard at the 1868 General Election.
[1] In 1872 Griffiths left Aberaman for Penygraig where he succeeded Tom John as headmaster of the National Schools.
He may also be founder of many of the English Presbyterian churches in the Rhondda and often filled their pulpits on Sundays and was said to have a particular talent for adapting the gospel to attract the listeners.