Last name Saiai (Saiai 
, Seenai ) , all over the world, is a rare family name. The cognomen Saiai is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname, Singapore, where it is a very rare surname, and Myanmar. Not in comparison with a country's population, it is commonest in Thailand, Myanmar, and India. Likewise, Saiai is the forename as well as the last name.