Lewis John Wynford Vaughan-Thomas (né Thomas) CBE (15 August 1908 – 4 February 1987) was a Welsh newspaper journalist and radio and television broadcaster.

[4] In the mid-1930s, Vaughan-Thomas joined the BBC and, in 1937, gave the Welsh-language commentary on the coronation of King George VI and Queen Elizabeth.

Other notable reports were from the Battle of Anzio, the Burgundy vineyards, Lord Haw-Haw's broadcasting studio and the Belsen concentration camp.

In 1967, after leaving the BBC, Vaughan-Thomas was one of the founders of Harlech Television (HTV, now ITV Wales), being appointed director of programmes.

The series saw lengthy and often passionate discussions on Welsh history, with the two presenters representing opposing points of view, Williams being a Marxist historian and Vaughan-Thomas being described by Geraint H. Jenkins as his "affable Whiggish co-presenter".

His wartime overview and experiences, and his successful broadcasting career later, enabled him to view life and its vagaries with what he called "pointless optimism"—a perspective that served him.