Last name Идхам (Idham 
, Идхам 
) , globally, is quite a common cognomen. The family name Идхам is habitual in South-eastern Asia, particularly Malaysia, where it is quite a rare surname, Brunei, and Indonesia. Measured by absolute frequency, it is commonest in Indonesia, Malaysia, and Algeria. More frequently, Идхам is the forename as well as the last name.