Family name Thirasan (ธีรศานต์ 
, Thirasan 
, ธีระสานต์ ) , around the globe, is a rare cognomen. The family name Thirasan is habitual in Thailand, where it is a rare surname, Myanmar, where it is a very rare surname, and India, where it is an extremely rare surname. More prevalently, Thirasan is the forename as well as the last name.