Cognomen Nambutr (Nambutr 
) , around the world, is a rare family name. The last name Nambutr is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
Marut, Watcharadul, Khwanchanok, Rattanasak, Kwanchanok, Wuttipong, Varisara, Pattawee, Kanittha, Suchanya, Pratchayapohn, Waewdaw, Pilamas, Atchara, Angkana, Untika, Witoon, Wasita, Apirak, Tewin, Jinda, Janchai, and Natthachanont