Cognomen Ploenphit (Ploenphit 
) , in the entire world, is an extremely rare last name. Much more prevalently, Ploenphit is the forename as well as the last name.
Munpa, Chiraphitakkun, Rongdejprateep, Pattanabonmuang, Chueawongdet, Sirirueangrut, Phachoenrat, Khammoonin, Angbunthorn, Srinoraphan, Waengsanthia, Thompson, Panjathep, Lertsuphatrakan, Kaewjongprasit, Chuchuai, Chouchoi, Sriphoom, Srisawat, Siriwong, Jaruluk, Phakaew, Buangam, Pakaew, Kusuwun, Nease, Swain, Chuchual, and Lertsuphatrakarn