Family name ชาญเพชร (ชาญเพชร 
, Janjanphet , Chalertphet ) , all over the world, is a very rare cognomen. The family name ชาญเพชร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, ชาญเพชร is the forename as well as the last name.
กุสุโมทย์, สินทร์ศรีเพ็ญ, and ปัญญาเกิด