Treveal is a farm in the parish of Zennor, Cornwall, UK.^[1]

Treveal is also a hamlet in the parish of Cubert (Cornwall), between Cubert churchtown and Tresean,^[2] where the spelling has recently changed to Trevail to reflect the pronunciation.^[3] The Cubert hamlet has the meaning "Mayle's Farm" with attested spellings back to the 14th century.^{[citation needed]}