Globally, ธรรมชัยพจน์ (ธรรมชัยพจน์ , Thamchaipoj ) is an extremely rare unknown gender first name. Much more prevalently, ธรรมชัยพจน์ is the last name as well as the forename.
Thammachaipoj
ณนิรินธน์
, Thamchaipoj