Cognomen Malignus (Malin 
, Maling 
, Malign 
) , worldwide, is a common last name. The surname Malignus is habitual in Liechtenstein, where it is quite a common surname, Finland, and Reunion. Measured by absolute frequency, it is commonest in the United States, Indonesia, and Philippines. More frequently, Malignus is the forename as well as the last name.