Trevithick ( ) is a Cornish surname. Notable people with the surname include:

Francis Trevithick (1812–1877), British locomotive engineer Jeremy Trevithick (born 2002), Spanish rugby union player Jonathan Trevethick (1864–1939), New Zealand politician Matthew Trevithick, American student, writer and researcher Paul Trevithick (born 1959), American inventor, engineer and entrepreneur Richard Trevithick (1771–1833), British inventor, mining engineer and locomotive engineer William Edward Trevithick (1899–1958), Irish botanical illustrator

See also