Cognomen เฉลิมชัยชาญ (เฉลิมชัยชาญ 
) , in the world, is a very rare surname. The surname เฉลิมชัยชาญ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, เฉลิมชัยชาญ is the forename as well as the last name.