John Emlyn Emlyn-Jones (22 January 1889 – 3 March 1952) was a Welsh Liberal Party politician and shipowner.

Emlyn-Jones had a private education in Cardiff, France, Spain and Italy[1] before making his reputation in the shipping industry.

In 1915 he started on his own with a fleet of small coasting steamers using the experience he had gained while working in a shipping office in Bordeaux.

[2] The affairs of his own enterprises took him all over the world on business and he was also a director of the Green Star Shipping Co, the Ocean Salvage and Towage Co and one time Chairman of the Cardiff Pilotage Authority.

[7] Emlyn-Jones fought Cardiff East again in 1931, stating he was both a supporter of the National Government and a follower of Sir Herbert Samuel.

[13] He also stood as Liberal candidate in the by-election at his father's old seat of North Dorset in 1957 in a closer contest, coming second to the Tory, losing by 3,102 votes.

They had boarded the Air France flight bound for Paris from Nice on the morning of 3 March 1952 but the aircraft got into trouble soon after take-off and tried to return to the airfield.