Cognomen Phetrada (เพชรดา 
, Phetrada 
) , in all the world, is a very rare family name. The family name Phetrada is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. More prevalently, Phetrada is the forename as well as the last name.
Joypot, Tangvirojnukul, Chinrungsikul, Suttayakul, Wongthong, Nopphawan, Naksamrit, Thongrach, Jangsamsee, Prommajan, Boonvijith, Onseetha, Harnkham, Thibunboon, Pimpapipat, Poodprao, Khongsee, Kayankit, Nonyai, Maduang, Muanput, Simawan, Simawam, Sopapan, Phattanathong, Khumsup, Tiemphet, Tiamphet, Saensena, Shenkrua, Sornphet, Sophaporn, Phengta, and Sornchaipaisal