Penberthy is a locational surname of Cornish origin, which meant a person from Penberthy Cross in Cornwall. Notable people with the surname include: Bob Penberthy (born 1943), British rugby player Beverly Penberthy (born 1949), American actress Bryan Penberthy (born 1976), American poet David Penberthy (born 1969), Australian journalist James Penberthy (1917–1999), Australian musician Joanna Penberthy (born 1960), Welsh Anglican bishop Larry Penberthy (1916–2001), American businessman Mike Penberthy (born 1974), American basketball player Stan Penberthy (1906–1989), Australian football player Tony Penberthy (born 1969), British cricket player See also Penberthy Croft Mine References Cornish-language surnames Surnames of British Isles origin