This name comes from the the ruling families of Germany during the Middle Ages. In the 10th century, Saint Bruno was the founder of the Carthusian order of monks.
Bruno is a male given name. It is derived from the Germanic word brun meaning brown. It is also one of the most frequent Italian surnames. It also occurs very frequently in continental Europe and parts of Brazil as a given name for men and boys. Its feminine version in Portugal and Brazil is Bruna.