Surname จุฬาจันทร์ (จุฬาจันทร์ 
) , throughout the world, is a very rare cognomen. The family name จุฬาจันทร์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, จุฬาจันทร์ is the forename as well as the last name.