Cognomen Жад (Jade 
, یاد 
, Жад 
) , worldwide, is a common family name. The family name Жад is habitual in Guadeloupe, where it is quite a common surname, Macao, where it is quite a rare surname, and Australia. Measured by absolute frequency, it is the most numerous in India, Myanmar, and Australia. More prevalently, Жад is the forename as well as the last name.