Last name จันทร์พยัคฆ์ (จันทร์พยัคฆ์ 
, Janpayuck ) , in all the world, is a very rare cognomen. The surname จันทร์พยัคฆ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, จันทร์พยัคฆ์ is the forename as well as the last name.