Cognomen Nanthikan (Nanthikan 
, นันธิกานต์ ) , around the world, is an extremely rare family name. The last name Nanthikan is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, Nanthikan is the forename as well as the last name.
Siwa, Chaichit, Kaeomuean, Kongseenon, Ngamchoe, Hongkham, Iamsawat, Yingsukamol, Manawanit, Savangchaisakul, Saengngam, Suchonphanit, Sonkhammee, Chanaphiban, Chuaysong, Khanpingpud, Khampeera, Prachanan, Ngamchoei, Vaisayasirikul, Ngamchoeiy, Khunchaikan, Chaitepa, Sirichan, Saenchum, Nankham, Armo, Nanu, Samae, Aryee, Ouyee, Meesri, Chusak, Buamee, Nildam, Saeyang, Wongsathian, Arwakulpanich, Boonyen, Buathum, Kaeochai, Pahuboonpong, Pinkaew, Pilawan, Phayung, Phondet, Ritthewa, Thawong, Chansuk, and Anantakitsophon