John Daniel Davies (12 January 1874 – 9 April 1948) was a Welsh editor and author.
He began his career as an apprentice of David Jones, printer, of Rhosymedre.
Sometime around 1900 he married, and moved to live in the Blaenau Ffestiniog area, where in 1906 he started the periodical Y Rhedegydd.
For many years he edited Yr Ymwelydd, the Scottish Baptist periodical.
He died in April 1948, and was buried in Bethesda cemetery, Blaenau Ffestiniog.