Jonathan Richard Gagiano (born 4 October 1985 in Cape Town) is a South African born, American rugby union player.
Gagiano plays flanker for the USA Eagle XV side.
Gagiano played in the Varsity Cup for the University of Cape Town side known as the Ikey Tigers from 2008 to 2010.
Gagiano played rugby for Eastern Province Kings in South Africa during the 2010 season.
In March 2012 Gagiano signed with the Golden Lions for the remainder of the 2012 season.