Joe Dimaggio was known as Giuseppe in his home.

Famous bearer is Giuseppe Verdi, an Italian opera composer.

A somewhat unfortunate connotation of this name-
Giuseppe Zangara, who tried to shoot U.S. President-elect Franklin Roosevelt in 1933, and wound up killing the mayor of Chicago because he misfired. (He's mentioned as one of the assassins in Sondheim's musical 'Assassins' because of this.)

Giuseppe Arcimboldo (1527-1593) was a Milanese painter best known for creating imaginative portrait heads made entirely of fruit.

Giuseppe Bibiena (1696-1757) was a member of the dynasty Bibiena (or Galli-Bibiena) which was a family of Italian architects, quadraturisti and stage designers.

Giuseppe Castiglione (1688-1766) was an Italian Jesuit missionary and painter who settled in China in 1715 and worked for 3 successive emperors.

Giuseppe Cesari (1568-1640) was an Italian Mannerist painter.

Giuseppe Sarto was the birthname of Pope Pius X (Pontificate between 1903-1914).

Verdi's full name was Giuseppe Fortunino Francesco Verdi.

American rower Giuseppe Lanzone (born 1982).

Famous bearer is Giuseppe Zanotti, a Master Italian cobbler (shoemaker) who started the sucessful and high-end label Giuseppe Zanotti in 1994.

A diminutive of Giuseppe is Geppetto, the name of the impoverished woodcarver in Carlo Collodi's "The Adventures of Pinocchio".