Cognomen Rachen (ราเชนทร์ 
, ราเชน , Rachen 
) , in the entire world, is a rare family name. The cognomen Rachen is habitual in Colombia, where it is a rare surname, Germany, where it is a very rare surname, and Thailand. Much more prevalently, Rachen is the forename as well as the last name.
Shah, Ngonkaew, Intawong, Yangyern, Sakolvaree, Sawangnak, Chantapaha, Chooparat, Bunyapipat, Kulpukdeesingworn, Rachphithak, Laowongsa, Tangpitak, Trakunpiti, Sillaparaya, Chainapong, Chaiyachit, Kanthawong, Noibunthao, Apinyawisan, Jaichobchuesakul, Jumsai Na Ayudhya, Tuntivit, Pinckney, Boonchay, Chumueang, Sony, Wiya, Doowa, Samana, Saisud, Saelee, Saephu, Tangon, Naknul, Saniwee, Wutthikitchathon, Saralak, Chaynoy, Choosri, Cabuhat, Kananit, Pinskun, Photong, Lawphet, Vichien, Sappoempool, Asanathong, Saengmi, and Chumsai Na Ayudhaya