Family name טרודי (Trudy 
, Trudi , טרודי 
) , in all the world, is quite a rare last name. The surname טרודי is characteristic of Liechtenstein, where it is quite a common surname, Papua New Guinea, where it is quite a rare surname, and Israel. Measured by absolute frequency, it is commonest in the United States, Ghana, and Papua New Guinea. Much more frequently, טרודי is the forename as well as the last name.