Cognomen กษิดิฐ (Kasidit 
, Kasidat 
, กษิดิฐ ) , around the globe, is an extremely rare family name. The surname กษิดิฐ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, กษิดิฐ is the forename as well as the last name.
สมแดง, แตงสวน, and สุธรรมวงศ์