Umai is a popular traditional native dish of the Melanau people in Sarawak, Malaysia, which is usually eaten by fishermen. Umai is a dish of sliced raw fish with a mixture of onions, chillies, vinegar, salt and lime juice.
In 2012, a 170.3 metre umai prepared during 'Masihkah Kau Ingat' carnival in Dalat was certified as the "longest umai" ever prepared.