Last name ไกรโรจน์ (ไกรโรจน์ 
, Kairot 
, Krairot ) , worldwide, is a rare cognomen. The last name ไกรโรจน์ is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, ไกรโรจน์ is the forename as well as the last name.