What Does The Last Name'' Cantu'' Mean?

The surname can'tù (we write it with the accent) derived from two latin names: Canis (dog) and turris (tower). In fact, in the flag of the city of can'tù, in Lombardy, there are a dog and a tower.
Certainly, our forefathers were from the North of Italy, near Milan, Lecco and Bergamo (my family still live in this part of Italy)

The Cantu family is said to have originated from Lombardy, Italy. The name Cantu is basically derived from the old name of the city  CANTURIO which later became Cantu in 15th century. You can know more about the Cantu Origin on the following link:
genforum.genealogy.com

The name cantu its origins

The surname 'Cantu' was first mentioned in 1630. It is of Italian origin. The meaning is 'Derivative of Cantuti'. The surname is extremely frequent in Mexico, but rarely elsewhere.