Last name Thitaphan (Thitaphan 
, ถิฐาพันธ์ , ฐิตะพันธุ์ ) , all over the world, is a rare cognomen. The cognomen Thitaphan is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, Thitaphan is the forename as well as the last name.