Sir Josiah John Guest, 1st Baronet (2 February 1785 – 26 November 1852), known as John Josiah Guest, was a Welsh engineer, entrepreneur and politician.
John Josiah Guest (2. února 1785 – 26. listopadu 1852) byl velšský průmyslník. (cs)
Sir Josiah John Guest, 1st Baronet (2 February 1785 – 26 November 1852), known as John Josiah Guest, was a Welsh engineer, entrepreneur and politician. (en)
Sir Josiah John Guest, 1er baronnet, connu sous le nom de John Josiah Guest, (2 février 1785 - 26 novembre 1852) est un ingénieur et entrepreneur gallois. (fr)
Sir John Josiah Guest, I Baronetto di Dowlais (Merthyr Tydfil, 2 febbraio 1785 – 26 novembre 1852), è stato un ingegnere e imprenditore gallese. (it)