Surname ต้นตาล (Tonsak 
, Tontan 
, ต้นตาล) , globally, is a rare family name. The last name ต้นตาล is characteristic of Thailand, where it is a rare surname, Brazil, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Much less frequently, ต้นตาล is the forename as well as the last name.