Surname ธนพลอย (ธนพลอย , Thanaphloy , Thonhploy) , across the world, is an extremely rare cognomen. Much more frequently, ธนพลอย is the forename as well as the last name.
Thanapluem
ธนทวิกร, and บริบูรณางกูล
, Thanaphloy