Cognomen Yatti (Yatti 
, ญัตติ ) , globally, is a rare last name. The surname Yatti is characteristic of South-eastern Asia, particularly Myanmar, where it is a rare surname, Malaysia, where it is a very rare surname, and Indonesia. Measured by absolute frequency, it is the most numerous in India, Myanmar, and Indonesia. Also, Yatti is the forename as well as the last name.