Surname Kanjanapen (Kanjanapen 
) , throughout the world, is a rare family name. The cognomen Kanjanapen is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
Supa, Sarunyou, Sinlacha, Somrudee, Anongnad, Artitaya, Panupong, Donlasan, Yuttapon, Surangrat, Sutasinee, Kanthanon, Pananrath, Runglawan, Naipaporn, Manoontham, Daranee, Kanjana, Kanapod, Akechai, Anan, Umai, Sopha, Ariya, Jarun, Jinda, Nicha, Sawaddiparp, Wanna, Areeya, Ramida, Jaroon, Orawan, Similan, Siriwan, Andaman, Saruta, and Watcharaporn