Last name Apiwan (อภิวรรณ 
, อภิวันท์ , Apiwan 
) , worldwide, is a rare family name. The last name Apiwan is habitual in Thailand, where it is a rare surname, Argentina, where it is a very rare surname, and Colombia. Measured by absolute frequency, it is commonest in Thailand, China, and Argentina. More frequently, Apiwan is the forename as well as the last name.