Jeffrey Donald Viggiano (born July 24, 1984) is a retired American-born Italian professional basketball player who last played for Umana Reyer Venezia of the Lega Basket Serie A. Viggiano played high school basketball at Suffield, in West Suffield, Connecticut.

In high school, Viggiano won the 2000 Gatorade Player of the Year in the state of Connecticut, as well as the Connecticut State Championship alongside teammate Dan Presser.

He then played 4 seasons of college basketball at the University of Massachusetts Amherst, with the UMass Minutemen.

[1] After he played in Sweden and Hungary with Norrköping Dolphins and Soproni Sördögök KC, in 2008 Jeff was signed by Italian LegADue team Nuova Pallacanestro Pavia.

That year he averaged 14.1 points and 4.2 rebounds per game and gained the call of powerhouse Armani Jeans Milano.