Surname Inpan (อินปัน 
, Inpan 
, อิ่นปัน) , around the world, is quite a rare family name. The family name Inpan is characteristic of Thailand, where it is quite a rare surname, Malaysia, where it is a very rare surname, and the United Kingdom. Measured by absolute frequency, it is the most numerous in Thailand, India, and the United Kingdom. Also, Inpan is the forename as well as the last name.