Family name Troço (Tros 
, Troço) , around the world, is a rare last name. The last name Troço is characteristic of Netherlands, where it is quite a rare surname, Czechia, where it is a rare surname, and Israel. Measured by absolute frequency, the name is most common in Netherlands, France, and Czechia. Very seldom, Troço is the forename as well as the last name.