Last name Banthao (Banthao 
) , throughout the world, is a rare cognomen. The cognomen Banthao is characteristic of Thailand, where it is a rare surname, the United States, where it is an extremely rare surname, and India. Much less frequently, Banthao is the forename as well as the last name.
Malai, Jirapat, Tanthai, Nuttaya, Wanchai, Surachet, Chirapha, Bunpheng, Kittisak, Panupong, Thitirat, Walailak, Saowakhon, Suparsareeya, Khamkhean, Phirachat, Phongthep, Theerawat, Thongchai, Teerawoot, Narongwit, Praphaphan, Dominic, Runjira, Penthai, Kanlaya, Sawai, Amorn, Wiwat, Samorn, Sunisa, Susana, Somkid, Somrid, Amporn, Ammara, Poonyaphat, Akanit, Prasit, Putipwapat, Jariya, Thanit, Orawan, Sasipha, Sesthachai, Somboon, Somkhit, Bandith, Apiwat, and Punnaphaphan