John Charles Griffiths (born 19 April 1934) is a former British Liberal Party politician, author and media entrepreneur.

Griffiths worked for Thomson Newspapers and the BBC while becoming active in the Liberal Party.^[1] Chairman of the National League of Young Liberals.^[2] He stood unsuccessfully in Ludlow at the 1964 general election, then in Wanstead and Woodford in 1966, and Bedford at the February and October 1974 general elections. A post at the Press Association in the late 1960s led him to a career in public relations, while he also wrote the first of many books, The Survivors, Afghanistan and Modern Iceland.^[1]

In 1982–1983, Griffiths served as President of the Liberal Party,^[2] where he launched a full review of all the party's structures.^[3] He continued to write books, including The Science of Winning Squash and further work on Afghanistan.^[1] In 1986, he founded the Arts Channel and ran the Minerva Vision production company.^[4] Griffiths continues to write, and is also a Trustee of Asthma UK.^[2]