Entrepreneurs
- Richard ap Meryk, (or ap Meurig), Anglicised to Richard Amerike (or Ameryk) (c. 1445–1503), after whom America is reputed to be named
- James Gomer Berry, 1st Viscount Kemsley (1883–1968), newspaper publisher
- William Berry, 1st Viscount Camrose (1879–1954), newspaper publisher
- David Davies Llandinam (1818–1890), industrialist
- Griffith J. Griffith (1850–1919), mining millionaire
- John Josiah Guest (1785–1852), ironmaster
- Sir William Thomas Lewis (1837–1914), coalowner
- Terry Matthews (born 1943), telecommunications billionaire, owner of Celtic Manor Resort
- Michael Moritz (born 1962), investor
- Charles Stewart Rolls (1877–1910), motor car manufacturer and aviator
- Howard Stringer (born 1942), businessman
- David Sullivan (born 1949), publisher
- David Alfred Thomas (1856–1918), industrialist
Read more about this topic: Lists Of Welsh People