Last name Sampan (สัมพันธ์ 
, Sampan 
, 舢板) , in the world, is quite a common surname. The cognomen Sampan is characteristic of Thailand, where it is quite a rare surname, Philippines, and Greece. Not in comparison with a country's population, this name is the most popular in South-eastern Asia, particularly Philippines, Thailand, and Indonesia. More frequently, Sampan is the forename as well as the last name.