Petrella is an Italian surname, and may refer to:
Bob Petrella (born 1944), American football player Clara Petrella (1914–1987), Italian operatic soprano Errico Petrella (1813–1877), Italian opera composer Gianluca Petrella, Italian jazz trombonist Ian Petrella (born 1974), American actor and puppeteer Ivan Petrella (born 1969), Argentine social theorist Marina Petrella (born 1954) a former member of Red Brigades Patrick Petrella, a fictional Spanish-English police detective created by Michael Gilbert Riccardo Petrella (born 1941), Italian political scientist and economist Vito Petrella (born 1965), Italian sprinter
See also Petrella (disambiguation)