The name Branca means "white" in Portuguese (from the Late Latin word "blancus"). This is a Portuguese cognate of Blanche.
Famous bearers
Bearers of the surname include Giovanni Branca (1571 - 1645), an Italian engineer and architect;
Glenn Branca (born 1948), an American avant-garde composer and guitarist;
Daniel Branca (1951 - 2005), an Argentine comic artist.