Family name Infan (Infan 
, อินฟาน , อินฝั้น) , throughout the world, is a very rare surname. The last name Infan is characteristic of Malaysia, where it is a very rare surname, Thailand, and Spain, where it is an extremely rare surname. In absolute terms, it most frequently occurs in Malaysia, Thailand, and India. More prevalently, Infan is the forename as well as the last name.